68516760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 223534080

約数和(自身を除く): 155017320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 167, 195, 260, 263, 312, 334, 390, 501, 520, 526, 668, 780, 789, 835, 1002, 1052, 1315, 1336, 1560, 1578, 1670, 2004, 2104, 2171, 2505, 2630, 3156, 3340, 3419, 3945, 4008, 4342, 5010, 5260, 6312, 6513, 6680, 6838, 7890, 8684, 10020, 10257, 10520, 10855, 13026, 13676, 15780, 17095, 17368, 20040, 20514, 21710, 26052, 27352, 31560, 32565, 34190, 41028, 43420, 43921, 51285, 52104, 65130, 68380, 82056, 86840, 87842, 102570, 130260, 131763, 136760, 175684, 205140, 219605, 260520, 263526, 351368, 410280, 439210, 527052, 570973, 658815, 878420, 1054104, 1141946, 1317630, 1712919, 1756840, 2283892, 2635260, 2854865, 3425838, 4567784, 5270520, 5709730, 6851676, 8564595, 11419460, 13703352, 17129190, 22838920, 34258380, 68516760]

約数ペア:

[(1, 68516760), (2, 34258380), (3, 22838920), (4, 17129190), (5, 13703352), (6, 11419460), (8, 8564595), (10, 6851676), (12, 5709730), (13, 5270520), (15, 4567784), (20, 3425838), (24, 2854865), (26, 2635260), (30, 2283892), (39, 1756840), (40, 1712919), (52, 1317630), (60, 1141946), (65, 1054104), (78, 878420), (104, 658815), (120, 570973), (130, 527052), (156, 439210), (167, 410280), (195, 351368), (260, 263526), (263, 260520), (312, 219605), (334, 205140), (390, 175684), (501, 136760), (520, 131763), (526, 130260), (668, 102570), (780, 87842), (789, 86840), (835, 82056), (1002, 68380), (1052, 65130), (1315, 52104), (1336, 51285), (1560, 43921), (1578, 43420), (1670, 41028), (2004, 34190), (2104, 32565), (2171, 31560), (2505, 27352), (2630, 26052), (3156, 21710), (3340, 20514), (3419, 20040), (3945, 17368), (4008, 17095), (4342, 15780), (5010, 13676), (5260, 13026), (6312, 10855), (6513, 10520), (6680, 10257), (6838, 10020), (7890, 8684)]