20151780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1649

約数の個数: 96

約数和(自身を含む): 64834560

約数和(自身を除く): 44682780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 1607, 2090, 2508, 3135, 3214, 4180, 4821, 6270, 6428, 8035, 9642, 12540, 16070, 17677, 19284, 24105, 30533, 32140, 35354, 48210, 53031, 61066, 70708, 88385, 91599, 96420, 106062, 122132, 152665, 176770, 183198, 212124, 265155, 305330, 335863, 353540, 366396, 457995, 530310, 610660, 671726, 915990, 1007589, 1060620, 1343452, 1679315, 1831980, 2015178, 3358630, 4030356, 5037945, 6717260, 10075890, 20151780]

約数ペア:

[(1, 20151780), (2, 10075890), (3, 6717260), (4, 5037945), (5, 4030356), (6, 3358630), (10, 2015178), (11, 1831980), (12, 1679315), (15, 1343452), (19, 1060620), (20, 1007589), (22, 915990), (30, 671726), (33, 610660), (38, 530310), (44, 457995), (55, 366396), (57, 353540), (60, 335863), (66, 305330), (76, 265155), (95, 212124), (110, 183198), (114, 176770), (132, 152665), (165, 122132), (190, 106062), (209, 96420), (220, 91599), (228, 88385), (285, 70708), (330, 61066), (380, 53031), (418, 48210), (570, 35354), (627, 32140), (660, 30533), (836, 24105), (1045, 19284), (1140, 17677), (1254, 16070), (1607, 12540), (2090, 9642), (2508, 8035), (3135, 6428), (3214, 6270), (4180, 4821)]