15898520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1616

約数の個数: 64

約数和(自身を含む): 40746240

約数和(自身を除く): 24847720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1571, 2024, 2530, 3142, 5060, 6284, 7855, 10120, 12568, 15710, 17281, 31420, 34562, 36133, 62840, 69124, 72266, 86405, 138248, 144532, 172810, 180665, 289064, 345620, 361330, 397463, 691240, 722660, 794926, 1445320, 1589852, 1987315, 3179704, 3974630, 7949260, 15898520]

約数ペア:

[(1, 15898520), (2, 7949260), (4, 3974630), (5, 3179704), (8, 1987315), (10, 1589852), (11, 1445320), (20, 794926), (22, 722660), (23, 691240), (40, 397463), (44, 361330), (46, 345620), (55, 289064), (88, 180665), (92, 172810), (110, 144532), (115, 138248), (184, 86405), (220, 72266), (230, 69124), (253, 62840), (440, 36133), (460, 34562), (506, 31420), (920, 17281), (1012, 15710), (1265, 12568), (1571, 10120), (2024, 7855), (2530, 6284), (3142, 5060)]