18732720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{877}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 58790880

約数和(自身を除く): 40058160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 877, 890, 1068, 1335, 1424, 1754, 1780, 2136, 2631, 2670, 3508, 3560, 4272, 4385, 5262, 5340, 7016, 7120, 8770, 10524, 10680, 13155, 14032, 17540, 21048, 21360, 26310, 35080, 42096, 52620, 70160, 78053, 105240, 156106, 210480, 234159, 312212, 390265, 468318, 624424, 780530, 936636, 1170795, 1248848, 1561060, 1873272, 2341590, 3122120, 3746544, 4683180, 6244240, 9366360, 18732720]

約数ペア:

[(1, 18732720), (2, 9366360), (3, 6244240), (4, 4683180), (5, 3746544), (6, 3122120), (8, 2341590), (10, 1873272), (12, 1561060), (15, 1248848), (16, 1170795), (20, 936636), (24, 780530), (30, 624424), (40, 468318), (48, 390265), (60, 312212), (80, 234159), (89, 210480), (120, 156106), (178, 105240), (240, 78053), (267, 70160), (356, 52620), (445, 42096), (534, 35080), (712, 26310), (877, 21360), (890, 21048), (1068, 17540), (1335, 14032), (1424, 13155), (1754, 10680), (1780, 10524), (2136, 8770), (2631, 7120), (2670, 7016), (3508, 5340), (3560, 5262), (4272, 4385)]