65976680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:751

約数の個数: 128

約数和(自身を含む): 191324160

約数和(自身を除く): 125347480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 691, 770, 868, 1085, 1240, 1364, 1382, 1540, 1705, 1736, 2170, 2387, 2728, 2764, 3080, 3410, 3455, 4340, 4774, 4837, 5528, 6820, 6910, 7601, 8680, 9548, 9674, 11935, 13640, 13820, 15202, 19096, 19348, 21421, 23870, 24185, 27640, 30404, 38005, 38696, 42842, 47740, 48370, 53207, 60808, 76010, 85684, 95480, 96740, 106414, 107105, 149947, 152020, 171368, 193480, 212828, 214210, 235631, 266035, 299894, 304040, 425656, 428420, 471262, 532070, 599788, 749735, 856840, 942524, 1064140, 1178155, 1199576, 1499470, 1649417, 1885048, 2128280, 2356310, 2998940, 3298834, 4712620, 5997880, 6597668, 8247085, 9425240, 13195336, 16494170, 32988340, 65976680]

約数ペア:

[(1, 65976680), (2, 32988340), (4, 16494170), (5, 13195336), (7, 9425240), (8, 8247085), (10, 6597668), (11, 5997880), (14, 4712620), (20, 3298834), (22, 2998940), (28, 2356310), (31, 2128280), (35, 1885048), (40, 1649417), (44, 1499470), (55, 1199576), (56, 1178155), (62, 1064140), (70, 942524), (77, 856840), (88, 749735), (110, 599788), (124, 532070), (140, 471262), (154, 428420), (155, 425656), (217, 304040), (220, 299894), (248, 266035), (280, 235631), (308, 214210), (310, 212828), (341, 193480), (385, 171368), (434, 152020), (440, 149947), (616, 107105), (620, 106414), (682, 96740), (691, 95480), (770, 85684), (868, 76010), (1085, 60808), (1240, 53207), (1364, 48370), (1382, 47740), (1540, 42842), (1705, 38696), (1736, 38005), (2170, 30404), (2387, 27640), (2728, 24185), (2764, 23870), (3080, 21421), (3410, 19348), (3455, 19096), (4340, 15202), (4774, 13820), (4837, 13640), (5528, 11935), (6820, 9674), (6910, 9548), (7601, 8680)]