16986840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10889}}^1$

素因数の和:10916

約数の個数: 64

約数和(自身を含む): 54885600

約数和(自身を除く): 37898760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 10889, 21778, 32667, 43556, 54445, 65334, 87112, 108890, 130668, 141557, 163335, 217780, 261336, 283114, 326670, 424671, 435560, 566228, 653340, 707785, 849342, 1132456, 1306680, 1415570, 1698684, 2123355, 2831140, 3397368, 4246710, 5662280, 8493420, 16986840]

約数ペア:

[(1, 16986840), (2, 8493420), (3, 5662280), (4, 4246710), (5, 3397368), (6, 2831140), (8, 2123355), (10, 1698684), (12, 1415570), (13, 1306680), (15, 1132456), (20, 849342), (24, 707785), (26, 653340), (30, 566228), (39, 435560), (40, 424671), (52, 326670), (60, 283114), (65, 261336), (78, 217780), (104, 163335), (120, 141557), (130, 130668), (156, 108890), (195, 87112), (260, 65334), (312, 54445), (390, 43556), (520, 32667), (780, 21778), (1560, 10889)]