40167960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47819}}^1$

素因数の和:47840

約数の個数: 64

約数和(自身を含む): 137721600

約数和(自身を除く): 97553640

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, 47819, 95638, 143457, 191276, 239095, 286914, 334733, 382552, 478190, 573828, 669466, 717285, 956380, 1004199, 1147656, 1338932, 1434570, 1673665, 1912760, 2008398, 2677864, 2869140, 3347330, 4016796, 5020995, 5738280, 6694660, 8033592, 10041990, 13389320, 20083980, 40167960]

約数ペア:

[(1, 40167960), (2, 20083980), (3, 13389320), (4, 10041990), (5, 8033592), (6, 6694660), (7, 5738280), (8, 5020995), (10, 4016796), (12, 3347330), (14, 2869140), (15, 2677864), (20, 2008398), (21, 1912760), (24, 1673665), (28, 1434570), (30, 1338932), (35, 1147656), (40, 1004199), (42, 956380), (56, 717285), (60, 669466), (70, 573828), (84, 478190), (105, 382552), (120, 334733), (140, 286914), (168, 239095), (210, 191276), (280, 143457), (420, 95638), (840, 47819)]