164476920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72139}}^1$

素因数の和:72172

約数の個数: 64

約数和(自身を含む): 519408000

約数和(自身を除く): 354931080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 72139, 144278, 216417, 288556, 360695, 432834, 577112, 721390, 865668, 1082085, 1370641, 1442780, 1731336, 2164170, 2741282, 2885560, 4111923, 4328340, 5482564, 6853205, 8223846, 8656680, 10965128, 13706410, 16447692, 20559615, 27412820, 32895384, 41119230, 54825640, 82238460, 164476920]

約数ペア:

[(1, 164476920), (2, 82238460), (3, 54825640), (4, 41119230), (5, 32895384), (6, 27412820), (8, 20559615), (10, 16447692), (12, 13706410), (15, 10965128), (19, 8656680), (20, 8223846), (24, 6853205), (30, 5482564), (38, 4328340), (40, 4111923), (57, 2885560), (60, 2741282), (76, 2164170), (95, 1731336), (114, 1442780), (120, 1370641), (152, 1082085), (190, 865668), (228, 721390), (285, 577112), (380, 432834), (456, 360695), (570, 288556), (760, 216417), (1140, 144278), (2280, 72139)]