917073520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:695

約数の個数: 120

約数和(自身を含む): 2360005200

約数和(自身を除く): 1442931680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 211, 220, 242, 422, 440, 449, 484, 605, 844, 880, 898, 968, 1055, 1210, 1688, 1796, 1936, 2110, 2245, 2321, 2420, 3376, 3592, 4220, 4490, 4642, 4840, 4939, 7184, 8440, 8980, 9284, 9680, 9878, 11605, 16880, 17960, 18568, 19756, 23210, 24695, 25531, 35920, 37136, 39512, 46420, 49390, 51062, 54329, 79024, 92840, 94739, 98780, 102124, 108658, 127655, 185680, 189478, 197560, 204248, 217316, 255310, 271645, 378956, 395120, 408496, 434632, 473695, 510620, 543290, 757912, 869264, 947390, 1021240, 1042129, 1086580, 1515824, 1894780, 2042480, 2084258, 2173160, 3789560, 4168516, 4346320, 5210645, 7579120, 8337032, 10421290, 11463419, 16674064, 20842580, 22926838, 41685160, 45853676, 57317095, 83370320, 91707352, 114634190, 183414704, 229268380, 458536760, 917073520]

約数ペア:

[(1, 917073520), (2, 458536760), (4, 229268380), (5, 183414704), (8, 114634190), (10, 91707352), (11, 83370320), (16, 57317095), (20, 45853676), (22, 41685160), (40, 22926838), (44, 20842580), (55, 16674064), (80, 11463419), (88, 10421290), (110, 8337032), (121, 7579120), (176, 5210645), (211, 4346320), (220, 4168516), (242, 3789560), (422, 2173160), (440, 2084258), (449, 2042480), (484, 1894780), (605, 1515824), (844, 1086580), (880, 1042129), (898, 1021240), (968, 947390), (1055, 869264), (1210, 757912), (1688, 543290), (1796, 510620), (1936, 473695), (2110, 434632), (2245, 408496), (2321, 395120), (2420, 378956), (3376, 271645), (3592, 255310), (4220, 217316), (4490, 204248), (4642, 197560), (4840, 189478), (4939, 185680), (7184, 127655), (8440, 108658), (8980, 102124), (9284, 98780), (9680, 94739), (9878, 92840), (11605, 79024), (16880, 54329), (17960, 51062), (18568, 49390), (19756, 46420), (23210, 39512), (24695, 37136), (25531, 35920)]