15703494580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{61781}}^1$

素因数の和:62040

約数の個数: 48

約数和(自身を含む): 33629178240

約数和(自身を除く): 17925683660

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 179, 284, 355, 358, 710, 716, 895, 1420, 1790, 3580, 12709, 25418, 50836, 61781, 63545, 123562, 127090, 247124, 254180, 308905, 617810, 1235620, 4386451, 8772902, 11058799, 17545804, 21932255, 22117598, 43864510, 44235196, 55293995, 87729020, 110587990, 221175980, 785174729, 1570349458, 3140698916, 3925873645, 7851747290, 15703494580]

約数ペア:

[(1, 15703494580), (2, 7851747290), (4, 3925873645), (5, 3140698916), (10, 1570349458), (20, 785174729), (71, 221175980), (142, 110587990), (179, 87729020), (284, 55293995), (355, 44235196), (358, 43864510), (710, 22117598), (716, 21932255), (895, 17545804), (1420, 11058799), (1790, 8772902), (3580, 4386451), (12709, 1235620), (25418, 617810), (50836, 308905), (61781, 254180), (63545, 247124), (123562, 127090)]