65247420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22193}}^1$

素因数の和:22219

約数の個数: 72

約数和(自身を含む): 212529744

約数和(自身を除く): 147282324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 22193, 44386, 66579, 88772, 110965, 133158, 155351, 221930, 266316, 310702, 332895, 443860, 466053, 621404, 665790, 776755, 932106, 1087457, 1331580, 1553510, 1864212, 2174914, 2330265, 3107020, 3262371, 4349828, 4660530, 5437285, 6524742, 9321060, 10874570, 13049484, 16311855, 21749140, 32623710, 65247420]

約数ペア:

[(1, 65247420), (2, 32623710), (3, 21749140), (4, 16311855), (5, 13049484), (6, 10874570), (7, 9321060), (10, 6524742), (12, 5437285), (14, 4660530), (15, 4349828), (20, 3262371), (21, 3107020), (28, 2330265), (30, 2174914), (35, 1864212), (42, 1553510), (49, 1331580), (60, 1087457), (70, 932106), (84, 776755), (98, 665790), (105, 621404), (140, 466053), (147, 443860), (196, 332895), (210, 310702), (245, 266316), (294, 221930), (420, 155351), (490, 133158), (588, 110965), (735, 88772), (980, 66579), (1470, 44386), (2940, 22193)]