71568840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{85201}}^1$

素因数の和:85222

約数の個数: 64

約数和(自身を含む): 245381760

約数和(自身を除く): 173812920

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, 85201, 170402, 255603, 340804, 426005, 511206, 596407, 681608, 852010, 1022412, 1192814, 1278015, 1704020, 1789221, 2044824, 2385628, 2556030, 2982035, 3408040, 3578442, 4771256, 5112060, 5964070, 7156884, 8946105, 10224120, 11928140, 14313768, 17892210, 23856280, 35784420, 71568840]

約数ペア:

[(1, 71568840), (2, 35784420), (3, 23856280), (4, 17892210), (5, 14313768), (6, 11928140), (7, 10224120), (8, 8946105), (10, 7156884), (12, 5964070), (14, 5112060), (15, 4771256), (20, 3578442), (21, 3408040), (24, 2982035), (28, 2556030), (30, 2385628), (35, 2044824), (40, 1789221), (42, 1704020), (56, 1278015), (60, 1192814), (70, 1022412), (84, 852010), (105, 681608), (120, 596407), (140, 511206), (168, 426005), (210, 340804), (280, 255603), (420, 170402), (840, 85201)]