1400880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 4687200

約数和(自身を除く): 3286320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 449, 520, 624, 780, 898, 1040, 1347, 1560, 1796, 2245, 2694, 3120, 3592, 4490, 5388, 5837, 6735, 7184, 8980, 10776, 11674, 13470, 17511, 17960, 21552, 23348, 26940, 29185, 35022, 35920, 46696, 53880, 58370, 70044, 87555, 93392, 107760, 116740, 140088, 175110, 233480, 280176, 350220, 466960, 700440, 1400880]

約数ペア:

[(1, 1400880), (2, 700440), (3, 466960), (4, 350220), (5, 280176), (6, 233480), (8, 175110), (10, 140088), (12, 116740), (13, 107760), (15, 93392), (16, 87555), (20, 70044), (24, 58370), (26, 53880), (30, 46696), (39, 35920), (40, 35022), (48, 29185), (52, 26940), (60, 23348), (65, 21552), (78, 17960), (80, 17511), (104, 13470), (120, 11674), (130, 10776), (156, 8980), (195, 7184), (208, 6735), (240, 5837), (260, 5388), (312, 4490), (390, 3592), (449, 3120), (520, 2694), (624, 2245), (780, 1796), (898, 1560), (1040, 1347)]