2688339920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{677}}^1\times {\mathrm{1013}}^1$

素因数の和:1717

約数の個数: 120

約数和(自身を含む): 7288790184

約数和(自身を除く): 4600450264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 677, 784, 980, 1013, 1354, 1960, 2026, 2708, 3385, 3920, 4052, 4739, 5065, 5416, 6770, 7091, 8104, 9478, 10130, 10832, 13540, 14182, 16208, 18956, 20260, 23695, 27080, 28364, 33173, 35455, 37912, 40520, 47390, 49637, 54160, 56728, 66346, 70910, 75824, 81040, 94780, 99274, 113456, 132692, 141820, 165865, 189560, 198548, 248185, 265384, 283640, 331730, 379120, 397096, 496370, 530768, 567280, 663460, 685801, 794192, 992740, 1326920, 1371602, 1985480, 2653840, 2743204, 3429005, 3970960, 4800607, 5486408, 6858010, 9601214, 10972816, 13716020, 19202428, 24003035, 27432040, 33604249, 38404856, 48006070, 54864080, 67208498, 76809712, 96012140, 134416996, 168021245, 192024280, 268833992, 336042490, 384048560, 537667984, 672084980, 1344169960, 2688339920]

約数ペア:

[(1, 2688339920), (2, 1344169960), (4, 672084980), (5, 537667984), (7, 384048560), (8, 336042490), (10, 268833992), (14, 192024280), (16, 168021245), (20, 134416996), (28, 96012140), (35, 76809712), (40, 67208498), (49, 54864080), (56, 48006070), (70, 38404856), (80, 33604249), (98, 27432040), (112, 24003035), (140, 19202428), (196, 13716020), (245, 10972816), (280, 9601214), (392, 6858010), (490, 5486408), (560, 4800607), (677, 3970960), (784, 3429005), (980, 2743204), (1013, 2653840), (1354, 1985480), (1960, 1371602), (2026, 1326920), (2708, 992740), (3385, 794192), (3920, 685801), (4052, 663460), (4739, 567280), (5065, 530768), (5416, 496370), (6770, 397096), (7091, 379120), (8104, 331730), (9478, 283640), (10130, 265384), (10832, 248185), (13540, 198548), (14182, 189560), (16208, 165865), (18956, 141820), (20260, 132692), (23695, 113456), (27080, 99274), (28364, 94780), (33173, 81040), (35455, 75824), (37912, 70910), (40520, 66346), (47390, 56728), (49637, 54160)]