7987980

素因数分解:

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

素因数の和:69

約数の個数: 288

約数和(自身を含む): 32175360

約数和(自身を除く): 24187380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 19, 20, 21, 22, 26, 28, 30, 33, 35, 38, 39, 42, 44, 49, 52, 55, 57, 60, 65, 66, 70, 76, 77, 78, 84, 91, 95, 98, 105, 110, 114, 130, 132, 133, 140, 143, 147, 154, 156, 165, 182, 190, 195, 196, 209, 210, 220, 228, 231, 245, 247, 260, 266, 273, 285, 286, 294, 308, 330, 364, 380, 385, 390, 399, 418, 420, 429, 455, 462, 490, 494, 532, 539, 546, 570, 572, 588, 627, 637, 660, 665, 715, 735, 741, 770, 780, 798, 836, 858, 910, 924, 931, 980, 988, 1001, 1045, 1078, 1092, 1140, 1155, 1235, 1254, 1274, 1330, 1365, 1430, 1463, 1470, 1482, 1540, 1596, 1617, 1716, 1729, 1820, 1862, 1911, 1995, 2002, 2090, 2145, 2156, 2310, 2470, 2508, 2548, 2660, 2695, 2717, 2730, 2793, 2860, 2926, 2940, 2964, 3003, 3135, 3185, 3234, 3458, 3705, 3724, 3822, 3990, 4004, 4180, 4290, 4389, 4620, 4655, 4940, 5005, 5187, 5390, 5434, 5460, 5586, 5852, 6006, 6270, 6370, 6468, 6916, 7007, 7315, 7410, 7644, 7980, 8085, 8151, 8580, 8645, 8778, 9310, 9555, 10010, 10241, 10374, 10780, 10868, 11172, 12012, 12103, 12540, 12740, 13585, 13965, 14014, 14630, 14820, 15015, 16170, 16302, 17290, 17556, 18620, 19019, 19110, 20020, 20482, 20748, 21021, 21945, 24206, 25935, 27170, 27930, 28028, 29260, 30030, 30723, 32340, 32604, 34580, 35035, 36309, 38038, 38220, 40755, 40964, 42042, 43890, 48412, 51205, 51870, 54340, 55860, 57057, 60060, 60515, 61446, 70070, 72618, 76076, 81510, 84084, 87780, 95095, 102410, 103740, 105105, 114114, 121030, 122892, 133133, 140140, 145236, 153615, 163020, 181545, 190190, 204820, 210210, 228228, 242060, 266266, 285285, 307230, 363090, 380380, 399399, 420420, 532532, 570570, 614460, 665665, 726180, 798798, 1141140, 1331330, 1597596, 1996995, 2662660, 3993990, 7987980]

約数ペア:

[(1, 7987980), (2, 3993990), (3, 2662660), (4, 1996995), (5, 1597596), (6, 1331330), (7, 1141140), (10, 798798), (11, 726180), (12, 665665), (13, 614460), (14, 570570), (15, 532532), (19, 420420), (20, 399399), (21, 380380), (22, 363090), (26, 307230), (28, 285285), (30, 266266), (33, 242060), (35, 228228), (38, 210210), (39, 204820), (42, 190190), (44, 181545), (49, 163020), (52, 153615), (55, 145236), (57, 140140), (60, 133133), (65, 122892), (66, 121030), (70, 114114), (76, 105105), (77, 103740), (78, 102410), (84, 95095), (91, 87780), (95, 84084), (98, 81510), (105, 76076), (110, 72618), (114, 70070), (130, 61446), (132, 60515), (133, 60060), (140, 57057), (143, 55860), (147, 54340), (154, 51870), (156, 51205), (165, 48412), (182, 43890), (190, 42042), (195, 40964), (196, 40755), (209, 38220), (210, 38038), (220, 36309), (228, 35035), (231, 34580), (245, 32604), (247, 32340), (260, 30723), (266, 30030), (273, 29260), (285, 28028), (286, 27930), (294, 27170), (308, 25935), (330, 24206), (364, 21945), (380, 21021), (385, 20748), (390, 20482), (399, 20020), (418, 19110), (420, 19019), (429, 18620), (455, 17556), (462, 17290), (490, 16302), (494, 16170), (532, 15015), (539, 14820), (546, 14630), (570, 14014), (572, 13965), (588, 13585), (627, 12740), (637, 12540), (660, 12103), (665, 12012), (715, 11172), (735, 10868), (741, 10780), (770, 10374), (780, 10241), (798, 10010), (836, 9555), (858, 9310), (910, 8778), (924, 8645), (931, 8580), (980, 8151), (988, 8085), (1001, 7980), (1045, 7644), (1078, 7410), (1092, 7315), (1140, 7007), (1155, 6916), (1235, 6468), (1254, 6370), (1274, 6270), (1330, 6006), (1365, 5852), (1430, 5586), (1463, 5460), (1470, 5434), (1482, 5390), (1540, 5187), (1596, 5005), (1617, 4940), (1716, 4655), (1729, 4620), (1820, 4389), (1862, 4290), (1911, 4180), (1995, 4004), (2002, 3990), (2090, 3822), (2145, 3724), (2156, 3705), (2310, 3458), (2470, 3234), (2508, 3185), (2548, 3135), (2660, 3003), (2695, 2964), (2717, 2940), (2730, 2926), (2793, 2860)]