326760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 1123200

約数和(自身を除く): 796440

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, 389, 420, 778, 840, 1167, 1556, 1945, 2334, 2723, 3112, 3890, 4668, 5446, 5835, 7780, 8169, 9336, 10892, 11670, 13615, 15560, 16338, 21784, 23340, 27230, 32676, 40845, 46680, 54460, 65352, 81690, 108920, 163380, 326760]

約数ペア:

[(1, 326760), (2, 163380), (3, 108920), (4, 81690), (5, 65352), (6, 54460), (7, 46680), (8, 40845), (10, 32676), (12, 27230), (14, 23340), (15, 21784), (20, 16338), (21, 15560), (24, 13615), (28, 11670), (30, 10892), (35, 9336), (40, 8169), (42, 7780), (56, 5835), (60, 5446), (70, 4668), (84, 3890), (105, 3112), (120, 2723), (140, 2334), (168, 1945), (210, 1556), (280, 1167), (389, 840), (420, 778)]