82806920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{683}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 213736320

約数和(自身を除く): 130929400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 433, 683, 866, 1366, 1732, 2165, 2732, 3031, 3415, 3464, 4330, 4781, 5464, 6062, 6830, 8660, 9562, 12124, 13660, 15155, 17320, 19124, 23905, 24248, 27320, 30310, 38248, 47810, 60620, 95620, 121240, 191240, 295739, 591478, 1182956, 1478695, 2070173, 2365912, 2957390, 4140346, 5914780, 8280692, 10350865, 11829560, 16561384, 20701730, 41403460, 82806920]

約数ペア:

[(1, 82806920), (2, 41403460), (4, 20701730), (5, 16561384), (7, 11829560), (8, 10350865), (10, 8280692), (14, 5914780), (20, 4140346), (28, 2957390), (35, 2365912), (40, 2070173), (56, 1478695), (70, 1182956), (140, 591478), (280, 295739), (433, 191240), (683, 121240), (866, 95620), (1366, 60620), (1732, 47810), (2165, 38248), (2732, 30310), (3031, 27320), (3415, 24248), (3464, 23905), (4330, 19124), (4781, 17320), (5464, 15155), (6062, 13660), (6830, 12124), (8660, 9562)]