64268680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2579}}^1$

素因数の和:2686

約数の個数: 64

約数和(自身を含む): 167184000

約数和(自身を除く): 102915320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 2579, 3115, 3560, 4984, 5158, 6230, 10316, 12460, 12895, 18053, 20632, 24920, 25790, 36106, 51580, 72212, 90265, 103160, 144424, 180530, 229531, 361060, 459062, 722120, 918124, 1147655, 1606717, 1836248, 2295310, 3213434, 4590620, 6426868, 8033585, 9181240, 12853736, 16067170, 32134340, 64268680]

約数ペア:

[(1, 64268680), (2, 32134340), (4, 16067170), (5, 12853736), (7, 9181240), (8, 8033585), (10, 6426868), (14, 4590620), (20, 3213434), (28, 2295310), (35, 1836248), (40, 1606717), (56, 1147655), (70, 918124), (89, 722120), (140, 459062), (178, 361060), (280, 229531), (356, 180530), (445, 144424), (623, 103160), (712, 90265), (890, 72212), (1246, 51580), (1780, 36106), (2492, 25790), (2579, 24920), (3115, 20632), (3560, 18053), (4984, 12895), (5158, 12460), (6230, 10316)]