218768520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42397}}^1$

素因数の和:42454

約数の個数: 64

約数和(自身を含む): 671584320

約数和(自身を除く): 452815800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 42397, 84794, 127191, 169588, 211985, 254382, 339176, 423970, 508764, 635955, 847940, 1017528, 1271910, 1695880, 1823071, 2543820, 3646142, 5087640, 5469213, 7292284, 9115355, 10938426, 14584568, 18230710, 21876852, 27346065, 36461420, 43753704, 54692130, 72922840, 109384260, 218768520]

約数ペア:

[(1, 218768520), (2, 109384260), (3, 72922840), (4, 54692130), (5, 43753704), (6, 36461420), (8, 27346065), (10, 21876852), (12, 18230710), (15, 14584568), (20, 10938426), (24, 9115355), (30, 7292284), (40, 5469213), (43, 5087640), (60, 3646142), (86, 2543820), (120, 1823071), (129, 1695880), (172, 1271910), (215, 1017528), (258, 847940), (344, 635955), (430, 508764), (516, 423970), (645, 339176), (860, 254382), (1032, 211985), (1290, 169588), (1720, 127191), (2580, 84794), (5160, 42397)]