418981120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10559}}^1$

素因数の和:10611

約数の個数: 72

約数和(自身を含む): 1036062720

約数和(自身を除く): 617081600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 10559, 19840, 21118, 39680, 42236, 52795, 84472, 105590, 168944, 211180, 327329, 337888, 422360, 654658, 675776, 844720, 1309316, 1351552, 1636645, 1689440, 2618632, 2703104, 3273290, 3378880, 5237264, 6546580, 6757760, 10474528, 13093160, 13515520, 20949056, 26186320, 41898112, 52372640, 83796224, 104745280, 209490560, 418981120]

約数ペア:

[(1, 418981120), (2, 209490560), (4, 104745280), (5, 83796224), (8, 52372640), (10, 41898112), (16, 26186320), (20, 20949056), (31, 13515520), (32, 13093160), (40, 10474528), (62, 6757760), (64, 6546580), (80, 5237264), (124, 3378880), (128, 3273290), (155, 2703104), (160, 2618632), (248, 1689440), (256, 1636645), (310, 1351552), (320, 1309316), (496, 844720), (620, 675776), (640, 654658), (992, 422360), (1240, 337888), (1280, 327329), (1984, 211180), (2480, 168944), (3968, 105590), (4960, 84472), (7936, 52795), (9920, 42236), (10559, 39680), (19840, 21118)]