31951920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 480

約数和(自身を含む): 142490880

約数和(自身を除く): 110538960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 19, 20, 21, 22, 24, 26, 28, 30, 33, 35, 38, 39, 40, 42, 44, 48, 49, 52, 55, 56, 57, 60, 65, 66, 70, 76, 77, 78, 80, 84, 88, 91, 95, 98, 104, 105, 110, 112, 114, 120, 130, 132, 133, 140, 143, 147, 152, 154, 156, 165, 168, 176, 182, 190, 195, 196, 208, 209, 210, 220, 228, 231, 240, 245, 247, 260, 264, 266, 273, 280, 285, 286, 294, 304, 308, 312, 330, 336, 364, 380, 385, 390, 392, 399, 418, 420, 429, 440, 455, 456, 462, 490, 494, 520, 528, 532, 539, 546, 560, 570, 572, 588, 616, 624, 627, 637, 660, 665, 715, 728, 735, 741, 760, 770, 780, 784, 798, 836, 840, 858, 880, 910, 912, 924, 931, 980, 988, 1001, 1040, 1045, 1064, 1078, 1092, 1140, 1144, 1155, 1176, 1232, 1235, 1254, 1274, 1320, 1330, 1365, 1430, 1456, 1463, 1470, 1482, 1520, 1540, 1560, 1596, 1617, 1672, 1680, 1716, 1729, 1820, 1848, 1862, 1911, 1960, 1976, 1995, 2002, 2090, 2128, 2145, 2156, 2184, 2280, 2288, 2310, 2352, 2470, 2508, 2548, 2640, 2660, 2695, 2717, 2730, 2793, 2860, 2926, 2940, 2964, 3003, 3080, 3120, 3135, 3185, 3192, 3234, 3344, 3432, 3458, 3640, 3696, 3705, 3724, 3822, 3920, 3952, 3990, 4004, 4180, 4290, 4312, 4368, 4389, 4560, 4620, 4655, 4940, 5005, 5016, 5096, 5187, 5320, 5390, 5434, 5460, 5586, 5720, 5852, 5880, 5928, 6006, 6160, 6270, 6370, 6384, 6468, 6864, 6916, 7007, 7280, 7315, 7410, 7448, 7644, 7980, 8008, 8085, 8151, 8360, 8580, 8624, 8645, 8778, 9240, 9310, 9555, 9880, 10010, 10032, 10192, 10241, 10374, 10640, 10780, 10868, 10920, 11172, 11440, 11704, 11760, 11856, 12012, 12103, 12540, 12740, 12936, 13585, 13832, 13965, 14014, 14630, 14820, 14896, 15015, 15288, 15960, 16016, 16170, 16302, 16720, 17160, 17290, 17556, 18480, 18620, 19019, 19110, 19760, 20020, 20482, 20748, 21021, 21560, 21736, 21840, 21945, 22344, 23408, 24024, 24206, 25080, 25480, 25872, 25935, 27170, 27664, 27930, 28028, 29260, 29640, 30030, 30576, 30723, 31920, 32340, 32604, 34320, 34580, 35035, 35112, 36309, 37240, 38038, 38220, 40040, 40755, 40964, 41496, 42042, 43120, 43472, 43890, 44688, 48048, 48412, 50160, 50960, 51205, 51870, 54340, 55860, 56056, 57057, 58520, 59280, 60060, 60515, 61446, 64680, 65208, 69160, 70070, 70224, 72618, 74480, 76076, 76440, 80080, 81510, 81928, 82992, 84084, 87780, 95095, 96824, 102410, 103740, 105105, 108680, 111720, 112112, 114114, 117040, 120120, 121030, 122892, 129360, 130416, 133133, 138320, 140140, 145236, 152152, 152880, 153615, 163020, 163856, 168168, 175560, 181545, 190190, 193648, 204820, 207480, 210210, 217360, 223440, 228228, 240240, 242060, 245784, 266266, 280280, 285285, 290472, 304304, 307230, 326040, 336336, 351120, 363090, 380380, 399399, 409640, 414960, 420420, 456456, 484120, 491568, 532532, 560560, 570570, 580944, 614460, 652080, 665665, 726180, 760760, 798798, 819280, 840840, 912912, 968240, 1065064, 1141140, 1228920, 1331330, 1452360, 1521520, 1597596, 1681680, 1996995, 2130128, 2282280, 2457840, 2662660, 2904720, 3195192, 3993990, 4564560, 5325320, 6390384, 7987980, 10650640, 15975960, 31951920]

約数ペア:

[(1, 31951920), (2, 15975960), (3, 10650640), (4, 7987980), (5, 6390384), (6, 5325320), (7, 4564560), (8, 3993990), (10, 3195192), (11, 2904720), (12, 2662660), (13, 2457840), (14, 2282280), (15, 2130128), (16, 1996995), (19, 1681680), (20, 1597596), (21, 1521520), (22, 1452360), (24, 1331330), (26, 1228920), (28, 1141140), (30, 1065064), (33, 968240), (35, 912912), (38, 840840), (39, 819280), (40, 798798), (42, 760760), (44, 726180), (48, 665665), (49, 652080), (52, 614460), (55, 580944), (56, 570570), (57, 560560), (60, 532532), (65, 491568), (66, 484120), (70, 456456), (76, 420420), (77, 414960), (78, 409640), (80, 399399), (84, 380380), (88, 363090), (91, 351120), (95, 336336), (98, 326040), (104, 307230), (105, 304304), (110, 290472), (112, 285285), (114, 280280), (120, 266266), (130, 245784), (132, 242060), (133, 240240), (140, 228228), (143, 223440), (147, 217360), (152, 210210), (154, 207480), (156, 204820), (165, 193648), (168, 190190), (176, 181545), (182, 175560), (190, 168168), (195, 163856), (196, 163020), (208, 153615), (209, 152880), (210, 152152), (220, 145236), (228, 140140), (231, 138320), (240, 133133), (245, 130416), (247, 129360), (260, 122892), (264, 121030), (266, 120120), (273, 117040), (280, 114114), (285, 112112), (286, 111720), (294, 108680), (304, 105105), (308, 103740), (312, 102410), (330, 96824), (336, 95095), (364, 87780), (380, 84084), (385, 82992), (390, 81928), (392, 81510), (399, 80080), (418, 76440), (420, 76076), (429, 74480), (440, 72618), (455, 70224), (456, 70070), (462, 69160), (490, 65208), (494, 64680), (520, 61446), (528, 60515), (532, 60060), (539, 59280), (546, 58520), (560, 57057), (570, 56056), (572, 55860), (588, 54340), (616, 51870), (624, 51205), (627, 50960), (637, 50160), (660, 48412), (665, 48048), (715, 44688), (728, 43890), (735, 43472), (741, 43120), (760, 42042), (770, 41496), (780, 40964), (784, 40755), (798, 40040), (836, 38220), (840, 38038), (858, 37240), (880, 36309), (910, 35112), (912, 35035), (924, 34580), (931, 34320), (980, 32604), (988, 32340), (1001, 31920), (1040, 30723), (1045, 30576), (1064, 30030), (1078, 29640), (1092, 29260), (1140, 28028), (1144, 27930), (1155, 27664), (1176, 27170), (1232, 25935), (1235, 25872), (1254, 25480), (1274, 25080), (1320, 24206), (1330, 24024), (1365, 23408), (1430, 22344), (1456, 21945), (1463, 21840), (1470, 21736), (1482, 21560), (1520, 21021), (1540, 20748), (1560, 20482), (1596, 20020), (1617, 19760), (1672, 19110), (1680, 19019), (1716, 18620), (1729, 18480), (1820, 17556), (1848, 17290), (1862, 17160), (1911, 16720), (1960, 16302), (1976, 16170), (1995, 16016), (2002, 15960), (2090, 15288), (2128, 15015), (2145, 14896), (2156, 14820), (2184, 14630), (2280, 14014), (2288, 13965), (2310, 13832), (2352, 13585), (2470, 12936), (2508, 12740), (2548, 12540), (2640, 12103), (2660, 12012), (2695, 11856), (2717, 11760), (2730, 11704), (2793, 11440), (2860, 11172), (2926, 10920), (2940, 10868), (2964, 10780), (3003, 10640), (3080, 10374), (3120, 10241), (3135, 10192), (3185, 10032), (3192, 10010), (3234, 9880), (3344, 9555), (3432, 9310), (3458, 9240), (3640, 8778), (3696, 8645), (3705, 8624), (3724, 8580), (3822, 8360), (3920, 8151), (3952, 8085), (3990, 8008), (4004, 7980), (4180, 7644), (4290, 7448), (4312, 7410), (4368, 7315), (4389, 7280), (4560, 7007), (4620, 6916), (4655, 6864), (4940, 6468), (5005, 6384), (5016, 6370), (5096, 6270), (5187, 6160), (5320, 6006), (5390, 5928), (5434, 5880), (5460, 5852), (5586, 5720)]