215898880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5441}}^1$

素因数の和:5493

約数の個数: 72

約数和(自身を含む): 533925504

約数和(自身を除く): 318026624

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, 5441, 7936, 9920, 10882, 19840, 21764, 27205, 39680, 43528, 54410, 87056, 108820, 168671, 174112, 217640, 337342, 348224, 435280, 674684, 696448, 843355, 870560, 1349368, 1392896, 1686710, 1741120, 2698736, 3373420, 3482240, 5397472, 6746840, 6964480, 10794944, 13493680, 21589888, 26987360, 43179776, 53974720, 107949440, 215898880]

約数ペア:

[(1, 215898880), (2, 107949440), (4, 53974720), (5, 43179776), (8, 26987360), (10, 21589888), (16, 13493680), (20, 10794944), (31, 6964480), (32, 6746840), (40, 5397472), (62, 3482240), (64, 3373420), (80, 2698736), (124, 1741120), (128, 1686710), (155, 1392896), (160, 1349368), (248, 870560), (256, 843355), (310, 696448), (320, 674684), (496, 435280), (620, 348224), (640, 337342), (992, 217640), (1240, 174112), (1280, 168671), (1984, 108820), (2480, 87056), (3968, 54410), (4960, 43528), (5441, 39680), (7936, 27205), (9920, 21764), (10882, 19840)]