18615720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2927}}^1$

素因数の和:2994

約数の個数: 64

約数和(自身を含む): 56920320

約数和(自身を除く): 38304600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 2927, 3180, 5854, 6360, 8781, 11708, 14635, 17562, 23416, 29270, 35124, 43905, 58540, 70248, 87810, 117080, 155131, 175620, 310262, 351240, 465393, 620524, 775655, 930786, 1241048, 1551310, 1861572, 2326965, 3102620, 3723144, 4653930, 6205240, 9307860, 18615720]

約数ペア:

[(1, 18615720), (2, 9307860), (3, 6205240), (4, 4653930), (5, 3723144), (6, 3102620), (8, 2326965), (10, 1861572), (12, 1551310), (15, 1241048), (20, 930786), (24, 775655), (30, 620524), (40, 465393), (53, 351240), (60, 310262), (106, 175620), (120, 155131), (159, 117080), (212, 87810), (265, 70248), (318, 58540), (424, 43905), (530, 35124), (636, 29270), (795, 23416), (1060, 17562), (1272, 14635), (1590, 11708), (2120, 8781), (2927, 6360), (3180, 5854)]