18261240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3539}}^1$

素因数の和:3596

約数の個数: 64

約数和(自身を含む): 56073600

約数和(自身を除く): 37812360

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, 3539, 5160, 7078, 10617, 14156, 17695, 21234, 28312, 35390, 42468, 53085, 70780, 84936, 106170, 141560, 152177, 212340, 304354, 424680, 456531, 608708, 760885, 913062, 1217416, 1521770, 1826124, 2282655, 3043540, 3652248, 4565310, 6087080, 9130620, 18261240]

約数ペア:

[(1, 18261240), (2, 9130620), (3, 6087080), (4, 4565310), (5, 3652248), (6, 3043540), (8, 2282655), (10, 1826124), (12, 1521770), (15, 1217416), (20, 913062), (24, 760885), (30, 608708), (40, 456531), (43, 424680), (60, 304354), (86, 212340), (120, 152177), (129, 141560), (172, 106170), (215, 84936), (258, 70780), (344, 53085), (430, 42468), (516, 35390), (645, 28312), (860, 21234), (1032, 17695), (1290, 14156), (1720, 10617), (2580, 7078), (3539, 5160)]