51334320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2122

約数の個数: 80

約数和(自身を含む): 160704000

約数和(自身を除く): 109369680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1712, 1999, 2140, 2568, 3210, 3998, 4280, 5136, 5997, 6420, 7996, 8560, 9995, 11994, 12840, 15992, 19990, 23988, 25680, 29985, 31984, 39980, 47976, 59970, 79960, 95952, 119940, 159920, 213893, 239880, 427786, 479760, 641679, 855572, 1069465, 1283358, 1711144, 2138930, 2566716, 3208395, 3422288, 4277860, 5133432, 6416790, 8555720, 10266864, 12833580, 17111440, 25667160, 51334320]

約数ペア:

[(1, 51334320), (2, 25667160), (3, 17111440), (4, 12833580), (5, 10266864), (6, 8555720), (8, 6416790), (10, 5133432), (12, 4277860), (15, 3422288), (16, 3208395), (20, 2566716), (24, 2138930), (30, 1711144), (40, 1283358), (48, 1069465), (60, 855572), (80, 641679), (107, 479760), (120, 427786), (214, 239880), (240, 213893), (321, 159920), (428, 119940), (535, 95952), (642, 79960), (856, 59970), (1070, 47976), (1284, 39980), (1605, 31984), (1712, 29985), (1999, 25680), (2140, 23988), (2568, 19990), (3210, 15992), (3998, 12840), (4280, 11994), (5136, 9995), (5997, 8560), (6420, 7996)]