77479020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1801}}^1$

素因数の和:2055

約数の個数: 72

約数和(自身を含む): 236134080

約数和(自身を除く): 158655060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 1801, 2151, 2390, 2868, 3585, 3602, 4302, 4780, 5403, 7170, 7204, 8604, 9005, 10755, 10806, 14340, 16209, 18010, 21510, 21612, 27015, 32418, 36020, 43020, 54030, 64836, 81045, 108060, 162090, 324180, 430439, 860878, 1291317, 1721756, 2152195, 2582634, 3873951, 4304390, 5165268, 6456585, 7747902, 8608780, 12913170, 15495804, 19369755, 25826340, 38739510, 77479020]

約数ペア:

[(1, 77479020), (2, 38739510), (3, 25826340), (4, 19369755), (5, 15495804), (6, 12913170), (9, 8608780), (10, 7747902), (12, 6456585), (15, 5165268), (18, 4304390), (20, 3873951), (30, 2582634), (36, 2152195), (45, 1721756), (60, 1291317), (90, 860878), (180, 430439), (239, 324180), (478, 162090), (717, 108060), (956, 81045), (1195, 64836), (1434, 54030), (1801, 43020), (2151, 36020), (2390, 32418), (2868, 27015), (3585, 21612), (3602, 21510), (4302, 18010), (4780, 16209), (5403, 14340), (7170, 10806), (7204, 10755), (8604, 9005)]