128512920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36929}}^1$

素因数の和:36972

約数の個数: 64

約数和(自身を含む): 398844000

約数和(自身を除く): 270331080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 36929, 73858, 110787, 147716, 184645, 221574, 295432, 369290, 443148, 553935, 738580, 886296, 1070941, 1107870, 1477160, 2141882, 2215740, 3212823, 4283764, 4431480, 5354705, 6425646, 8567528, 10709410, 12851292, 16064115, 21418820, 25702584, 32128230, 42837640, 64256460, 128512920]

約数ペア:

[(1, 128512920), (2, 64256460), (3, 42837640), (4, 32128230), (5, 25702584), (6, 21418820), (8, 16064115), (10, 12851292), (12, 10709410), (15, 8567528), (20, 6425646), (24, 5354705), (29, 4431480), (30, 4283764), (40, 3212823), (58, 2215740), (60, 2141882), (87, 1477160), (116, 1107870), (120, 1070941), (145, 886296), (174, 738580), (232, 553935), (290, 443148), (348, 369290), (435, 295432), (580, 221574), (696, 184645), (870, 147716), (1160, 110787), (1740, 73858), (3480, 36929)]