128765940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:797

約数の個数: 96

約数和(自身を含む): 376233984

約数和(自身を除く): 247468044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 107, 124, 155, 186, 214, 310, 321, 372, 428, 465, 535, 620, 642, 647, 930, 1070, 1284, 1294, 1605, 1860, 1941, 2140, 2588, 3210, 3235, 3317, 3882, 6420, 6470, 6634, 7764, 9705, 9951, 12940, 13268, 16585, 19410, 19902, 20057, 33170, 38820, 39804, 40114, 49755, 60171, 66340, 69229, 80228, 99510, 100285, 120342, 138458, 199020, 200570, 207687, 240684, 276916, 300855, 346145, 401140, 415374, 601710, 692290, 830748, 1038435, 1203420, 1384580, 2076870, 2146099, 4153740, 4292198, 6438297, 8584396, 10730495, 12876594, 21460990, 25753188, 32191485, 42921980, 64382970, 128765940]

約数ペア:

[(1, 128765940), (2, 64382970), (3, 42921980), (4, 32191485), (5, 25753188), (6, 21460990), (10, 12876594), (12, 10730495), (15, 8584396), (20, 6438297), (30, 4292198), (31, 4153740), (60, 2146099), (62, 2076870), (93, 1384580), (107, 1203420), (124, 1038435), (155, 830748), (186, 692290), (214, 601710), (310, 415374), (321, 401140), (372, 346145), (428, 300855), (465, 276916), (535, 240684), (620, 207687), (642, 200570), (647, 199020), (930, 138458), (1070, 120342), (1284, 100285), (1294, 99510), (1605, 80228), (1860, 69229), (1941, 66340), (2140, 60171), (2588, 49755), (3210, 40114), (3235, 39804), (3317, 38820), (3882, 33170), (6420, 20057), (6470, 19902), (6634, 19410), (7764, 16585), (9705, 13268), (9951, 12940)]