68887910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 166489344

約数和(自身を除く): 97601434

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 61, 65, 70, 73, 85, 91, 119, 122, 130, 146, 170, 182, 221, 238, 305, 365, 427, 442, 455, 511, 595, 610, 730, 793, 854, 910, 949, 1022, 1037, 1105, 1190, 1241, 1547, 1586, 1898, 2074, 2135, 2210, 2482, 2555, 3094, 3965, 4270, 4453, 4745, 5110, 5185, 5551, 6205, 6643, 7259, 7735, 7930, 8687, 8906, 9490, 10370, 11102, 12410, 13286, 13481, 14518, 15470, 16133, 17374, 22265, 26962, 27755, 31171, 32266, 33215, 36295, 43435, 44530, 55510, 57889, 62342, 66430, 67405, 72590, 75701, 80665, 86870, 94367, 112931, 115778, 134810, 151402, 155855, 161330, 188734, 225862, 289445, 311710, 378505, 405223, 471835, 529907, 564655, 578890, 757010, 810446, 943670, 984113, 1059814, 1129310, 1968226, 2026115, 2649535, 4052230, 4920565, 5299070, 6888791, 9841130, 13777582, 34443955, 68887910]

約数ペア:

[(1, 68887910), (2, 34443955), (5, 13777582), (7, 9841130), (10, 6888791), (13, 5299070), (14, 4920565), (17, 4052230), (26, 2649535), (34, 2026115), (35, 1968226), (61, 1129310), (65, 1059814), (70, 984113), (73, 943670), (85, 810446), (91, 757010), (119, 578890), (122, 564655), (130, 529907), (146, 471835), (170, 405223), (182, 378505), (221, 311710), (238, 289445), (305, 225862), (365, 188734), (427, 161330), (442, 155855), (455, 151402), (511, 134810), (595, 115778), (610, 112931), (730, 94367), (793, 86870), (854, 80665), (910, 75701), (949, 72590), (1022, 67405), (1037, 66430), (1105, 62342), (1190, 57889), (1241, 55510), (1547, 44530), (1586, 43435), (1898, 36295), (2074, 33215), (2135, 32266), (2210, 31171), (2482, 27755), (2555, 26962), (3094, 22265), (3965, 17374), (4270, 16133), (4453, 15470), (4745, 14518), (5110, 13481), (5185, 13286), (5551, 12410), (6205, 11102), (6643, 10370), (7259, 9490), (7735, 8906), (7930, 8687)]