71420880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{569}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 222217920

約数和(自身を除く): 150797040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 523, 569, 1046, 1138, 1569, 1707, 2092, 2276, 2615, 2845, 3138, 3414, 4184, 4552, 5230, 5690, 6276, 6828, 7845, 8368, 8535, 9104, 10460, 11380, 12552, 13656, 15690, 17070, 20920, 22760, 25104, 27312, 31380, 34140, 41840, 45520, 62760, 68280, 125520, 136560, 297587, 595174, 892761, 1190348, 1487935, 1785522, 2380696, 2975870, 3571044, 4463805, 4761392, 5951740, 7142088, 8927610, 11903480, 14284176, 17855220, 23806960, 35710440, 71420880]

約数ペア:

[(1, 71420880), (2, 35710440), (3, 23806960), (4, 17855220), (5, 14284176), (6, 11903480), (8, 8927610), (10, 7142088), (12, 5951740), (15, 4761392), (16, 4463805), (20, 3571044), (24, 2975870), (30, 2380696), (40, 1785522), (48, 1487935), (60, 1190348), (80, 892761), (120, 595174), (240, 297587), (523, 136560), (569, 125520), (1046, 68280), (1138, 62760), (1569, 45520), (1707, 41840), (2092, 34140), (2276, 31380), (2615, 27312), (2845, 25104), (3138, 22760), (3414, 20920), (4184, 17070), (4552, 15690), (5230, 13656), (5690, 12552), (6276, 11380), (6828, 10460), (7845, 9104), (8368, 8535)]