217046760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{258389}}^1$

素因数の和:258410

約数の個数: 64

約数和(自身を含む): 744163200

約数和(自身を除く): 527116440

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, 258389, 516778, 775167, 1033556, 1291945, 1550334, 1808723, 2067112, 2583890, 3100668, 3617446, 3875835, 5167780, 5426169, 6201336, 7234892, 7751670, 9043615, 10335560, 10852338, 14469784, 15503340, 18087230, 21704676, 27130845, 31006680, 36174460, 43409352, 54261690, 72348920, 108523380, 217046760]

約数ペア:

[(1, 217046760), (2, 108523380), (3, 72348920), (4, 54261690), (5, 43409352), (6, 36174460), (7, 31006680), (8, 27130845), (10, 21704676), (12, 18087230), (14, 15503340), (15, 14469784), (20, 10852338), (21, 10335560), (24, 9043615), (28, 7751670), (30, 7234892), (35, 6201336), (40, 5426169), (42, 5167780), (56, 3875835), (60, 3617446), (70, 3100668), (84, 2583890), (105, 2067112), (120, 1808723), (140, 1550334), (168, 1291945), (210, 1033556), (280, 775167), (420, 516778), (840, 258389)]