51663420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31891}}^1$

素因数の和:31912

約数の個数: 60

約数和(自身を含む): 162075144

約数和(自身を除く): 110411724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 31891, 63782, 95673, 127564, 159455, 191346, 287019, 318910, 382692, 478365, 574038, 637820, 861057, 956730, 1148076, 1435095, 1722114, 1913460, 2583171, 2870190, 3444228, 4305285, 5166342, 5740380, 8610570, 10332684, 12915855, 17221140, 25831710, 51663420]

約数ペア:

[(1, 51663420), (2, 25831710), (3, 17221140), (4, 12915855), (5, 10332684), (6, 8610570), (9, 5740380), (10, 5166342), (12, 4305285), (15, 3444228), (18, 2870190), (20, 2583171), (27, 1913460), (30, 1722114), (36, 1435095), (45, 1148076), (54, 956730), (60, 861057), (81, 637820), (90, 574038), (108, 478365), (135, 382692), (162, 318910), (180, 287019), (270, 191346), (324, 159455), (405, 127564), (540, 95673), (810, 63782), (1620, 31891)]