90134480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3121}}^1$

素因数の和:3172

約数の個数: 60

約数和(自身を含む): 221243652

約数和(自身を除く): 131109172

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3121, 3610, 5776, 6242, 7220, 12484, 14440, 15605, 24968, 28880, 31210, 49936, 59299, 62420, 118598, 124840, 237196, 249680, 296495, 474392, 592990, 948784, 1126681, 1185980, 2253362, 2371960, 4506724, 4743920, 5633405, 9013448, 11266810, 18026896, 22533620, 45067240, 90134480]

約数ペア:

[(1, 90134480), (2, 45067240), (4, 22533620), (5, 18026896), (8, 11266810), (10, 9013448), (16, 5633405), (19, 4743920), (20, 4506724), (38, 2371960), (40, 2253362), (76, 1185980), (80, 1126681), (95, 948784), (152, 592990), (190, 474392), (304, 296495), (361, 249680), (380, 237196), (722, 124840), (760, 118598), (1444, 62420), (1520, 59299), (1805, 49936), (2888, 31210), (3121, 28880), (3610, 24968), (5776, 15605), (6242, 14440), (7220, 12484)]