219770040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{261631}}^1$

素因数の和:261652

約数の個数: 64

約数和(自身を含む): 753500160

約数和(自身を除く): 533730120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 261631, 523262, 784893, 1046524, 1308155, 1569786, 1831417, 2093048, 2616310, 3139572, 3662834, 3924465, 5232620, 5494251, 6279144, 7325668, 7848930, 9157085, 10465240, 10988502, 14651336, 15697860, 18314170, 21977004, 27471255, 31395720, 36628340, 43954008, 54942510, 73256680, 109885020, 219770040]

約数ペア:

[(1, 219770040), (2, 109885020), (3, 73256680), (4, 54942510), (5, 43954008), (6, 36628340), (7, 31395720), (8, 27471255), (10, 21977004), (12, 18314170), (14, 15697860), (15, 14651336), (20, 10988502), (21, 10465240), (24, 9157085), (28, 7848930), (30, 7325668), (35, 6279144), (40, 5494251), (42, 5232620), (56, 3924465), (60, 3662834), (70, 3139572), (84, 2616310), (105, 2093048), (120, 1831417), (140, 1569786), (168, 1308155), (210, 1046524), (280, 784893), (420, 523262), (840, 261631)]