12856920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5639}}^1$

素因数の和:5672

約数の個数: 64

約数和(自身を含む): 40608000

約数和(自身を除く): 27751080

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, 5639, 11278, 16917, 22556, 28195, 33834, 45112, 56390, 67668, 84585, 107141, 112780, 135336, 169170, 214282, 225560, 321423, 338340, 428564, 535705, 642846, 676680, 857128, 1071410, 1285692, 1607115, 2142820, 2571384, 3214230, 4285640, 6428460, 12856920]

約数ペア:

[(1, 12856920), (2, 6428460), (3, 4285640), (4, 3214230), (5, 2571384), (6, 2142820), (8, 1607115), (10, 1285692), (12, 1071410), (15, 857128), (19, 676680), (20, 642846), (24, 535705), (30, 428564), (38, 338340), (40, 321423), (57, 225560), (60, 214282), (76, 169170), (95, 135336), (114, 112780), (120, 107141), (152, 84585), (190, 67668), (228, 56390), (285, 45112), (380, 33834), (456, 28195), (570, 22556), (760, 16917), (1140, 11278), (2280, 5639)]