51921870

素因数分解:

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

素因数の和:80

約数の個数: 288

約数和(自身を含む): 180247680

約数和(自身を除く): 128325810

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 19, 21, 22, 26, 30, 33, 35, 38, 39, 42, 49, 55, 57, 65, 66, 70, 77, 78, 91, 95, 98, 105, 110, 114, 130, 133, 143, 147, 154, 165, 169, 182, 190, 195, 209, 210, 231, 245, 247, 266, 273, 285, 286, 294, 330, 338, 385, 390, 399, 418, 429, 455, 462, 490, 494, 507, 539, 546, 570, 627, 637, 665, 715, 735, 741, 770, 798, 845, 858, 910, 931, 1001, 1014, 1045, 1078, 1155, 1183, 1235, 1254, 1274, 1330, 1365, 1430, 1463, 1470, 1482, 1617, 1690, 1729, 1859, 1862, 1911, 1995, 2002, 2090, 2145, 2310, 2366, 2470, 2535, 2695, 2717, 2730, 2793, 2926, 3003, 3135, 3185, 3211, 3234, 3458, 3549, 3705, 3718, 3822, 3990, 4290, 4389, 4655, 5005, 5070, 5187, 5390, 5434, 5577, 5586, 5915, 6006, 6270, 6370, 6422, 7007, 7098, 7315, 7410, 8085, 8151, 8281, 8645, 8778, 9295, 9310, 9555, 9633, 10010, 10241, 10374, 11154, 11830, 12103, 13013, 13585, 13965, 14014, 14630, 15015, 16055, 16170, 16302, 16562, 17290, 17745, 18590, 19019, 19110, 19266, 20482, 21021, 21945, 22477, 24206, 24843, 25935, 26026, 27170, 27885, 27930, 30030, 30723, 32110, 35035, 35321, 35490, 36309, 38038, 39039, 40755, 41405, 42042, 43890, 44954, 48165, 49686, 51205, 51870, 55770, 57057, 60515, 61446, 65065, 67431, 70070, 70642, 72618, 78078, 81510, 82810, 91091, 95095, 96330, 102410, 105105, 105963, 112385, 114114, 121030, 124215, 130130, 133133, 134862, 153615, 157339, 176605, 181545, 182182, 190190, 195195, 210210, 211926, 224770, 247247, 248430, 266266, 273273, 285285, 307230, 314678, 337155, 353210, 363090, 390390, 399399, 455455, 472017, 494494, 529815, 546546, 570570, 665665, 674310, 741741, 786695, 798798, 910910, 944034, 1059630, 1236235, 1331330, 1366365, 1483482, 1573390, 1730729, 1996995, 2360085, 2472470, 2732730, 3461458, 3708705, 3993990, 4720170, 5192187, 7417410, 8653645, 10384374, 17307290, 25960935, 51921870]

約数ペア:

[(1, 51921870), (2, 25960935), (3, 17307290), (5, 10384374), (6, 8653645), (7, 7417410), (10, 5192187), (11, 4720170), (13, 3993990), (14, 3708705), (15, 3461458), (19, 2732730), (21, 2472470), (22, 2360085), (26, 1996995), (30, 1730729), (33, 1573390), (35, 1483482), (38, 1366365), (39, 1331330), (42, 1236235), (49, 1059630), (55, 944034), (57, 910910), (65, 798798), (66, 786695), (70, 741741), (77, 674310), (78, 665665), (91, 570570), (95, 546546), (98, 529815), (105, 494494), (110, 472017), (114, 455455), (130, 399399), (133, 390390), (143, 363090), (147, 353210), (154, 337155), (165, 314678), (169, 307230), (182, 285285), (190, 273273), (195, 266266), (209, 248430), (210, 247247), (231, 224770), (245, 211926), (247, 210210), (266, 195195), (273, 190190), (285, 182182), (286, 181545), (294, 176605), (330, 157339), (338, 153615), (385, 134862), (390, 133133), (399, 130130), (418, 124215), (429, 121030), (455, 114114), (462, 112385), (490, 105963), (494, 105105), (507, 102410), (539, 96330), (546, 95095), (570, 91091), (627, 82810), (637, 81510), (665, 78078), (715, 72618), (735, 70642), (741, 70070), (770, 67431), (798, 65065), (845, 61446), (858, 60515), (910, 57057), (931, 55770), (1001, 51870), (1014, 51205), (1045, 49686), (1078, 48165), (1155, 44954), (1183, 43890), (1235, 42042), (1254, 41405), (1274, 40755), (1330, 39039), (1365, 38038), (1430, 36309), (1463, 35490), (1470, 35321), (1482, 35035), (1617, 32110), (1690, 30723), (1729, 30030), (1859, 27930), (1862, 27885), (1911, 27170), (1995, 26026), (2002, 25935), (2090, 24843), (2145, 24206), (2310, 22477), (2366, 21945), (2470, 21021), (2535, 20482), (2695, 19266), (2717, 19110), (2730, 19019), (2793, 18590), (2926, 17745), (3003, 17290), (3135, 16562), (3185, 16302), (3211, 16170), (3234, 16055), (3458, 15015), (3549, 14630), (3705, 14014), (3718, 13965), (3822, 13585), (3990, 13013), (4290, 12103), (4389, 11830), (4655, 11154), (5005, 10374), (5070, 10241), (5187, 10010), (5390, 9633), (5434, 9555), (5577, 9310), (5586, 9295), (5915, 8778), (6006, 8645), (6270, 8281), (6370, 8151), (6422, 8085), (7007, 7410), (7098, 7315)]