1286040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1531}}^1$

素因数の和:1552

約数の個数: 64

約数和(自身を含む): 4412160

約数和(自身を除く): 3126120

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, 1531, 3062, 4593, 6124, 7655, 9186, 10717, 12248, 15310, 18372, 21434, 22965, 30620, 32151, 36744, 42868, 45930, 53585, 61240, 64302, 85736, 91860, 107170, 128604, 160755, 183720, 214340, 257208, 321510, 428680, 643020, 1286040]

約数ペア:

[(1, 1286040), (2, 643020), (3, 428680), (4, 321510), (5, 257208), (6, 214340), (7, 183720), (8, 160755), (10, 128604), (12, 107170), (14, 91860), (15, 85736), (20, 64302), (21, 61240), (24, 53585), (28, 45930), (30, 42868), (35, 36744), (40, 32151), (42, 30620), (56, 22965), (60, 21434), (70, 18372), (84, 15310), (105, 12248), (120, 10717), (140, 9186), (168, 7655), (210, 6124), (280, 4593), (420, 3062), (840, 1531)]