81723408

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 245400960

約数和(自身を除く): 163677552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 61, 76, 78, 104, 113, 114, 122, 152, 156, 183, 208, 226, 228, 244, 247, 304, 312, 339, 366, 452, 456, 488, 494, 624, 678, 732, 741, 793, 904, 912, 976, 988, 1159, 1356, 1464, 1469, 1482, 1586, 1808, 1976, 2147, 2318, 2379, 2712, 2928, 2938, 2964, 3172, 3477, 3952, 4294, 4407, 4636, 4758, 5424, 5876, 5928, 6344, 6441, 6893, 6954, 8588, 8814, 9272, 9516, 11752, 11856, 12688, 12882, 13786, 13908, 15067, 17176, 17628, 18544, 19032, 20679, 23504, 25764, 27572, 27816, 27911, 30134, 34352, 35256, 38064, 41358, 45201, 51528, 55144, 55632, 55822, 60268, 70512, 82716, 83733, 89609, 90402, 103056, 110288, 111644, 120536, 130967, 165432, 167466, 179218, 180804, 223288, 241072, 261934, 268827, 330864, 334932, 358436, 361608, 392901, 446576, 523868, 537654, 669864, 716872, 723216, 785802, 1047736, 1075308, 1339728, 1433744, 1571604, 1702571, 2095472, 2150616, 3143208, 3405142, 4301232, 5107713, 6286416, 6810284, 10215426, 13620568, 20430852, 27241136, 40861704, 81723408]

約数ペア:

[(1, 81723408), (2, 40861704), (3, 27241136), (4, 20430852), (6, 13620568), (8, 10215426), (12, 6810284), (13, 6286416), (16, 5107713), (19, 4301232), (24, 3405142), (26, 3143208), (38, 2150616), (39, 2095472), (48, 1702571), (52, 1571604), (57, 1433744), (61, 1339728), (76, 1075308), (78, 1047736), (104, 785802), (113, 723216), (114, 716872), (122, 669864), (152, 537654), (156, 523868), (183, 446576), (208, 392901), (226, 361608), (228, 358436), (244, 334932), (247, 330864), (304, 268827), (312, 261934), (339, 241072), (366, 223288), (452, 180804), (456, 179218), (488, 167466), (494, 165432), (624, 130967), (678, 120536), (732, 111644), (741, 110288), (793, 103056), (904, 90402), (912, 89609), (976, 83733), (988, 82716), (1159, 70512), (1356, 60268), (1464, 55822), (1469, 55632), (1482, 55144), (1586, 51528), (1808, 45201), (1976, 41358), (2147, 38064), (2318, 35256), (2379, 34352), (2712, 30134), (2928, 27911), (2938, 27816), (2964, 27572), (3172, 25764), (3477, 23504), (3952, 20679), (4294, 19032), (4407, 18544), (4636, 17628), (4758, 17176), (5424, 15067), (5876, 13908), (5928, 13786), (6344, 12882), (6441, 12688), (6893, 11856), (6954, 11752), (8588, 9516), (8814, 9272)]