8040750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 20487168

約数和(自身を除く): 12446418

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 125, 142, 150, 151, 213, 250, 302, 355, 375, 426, 453, 710, 750, 755, 906, 1065, 1510, 1775, 2130, 2265, 3550, 3775, 4530, 5325, 7550, 8875, 10650, 10721, 11325, 17750, 18875, 21442, 22650, 26625, 32163, 37750, 53250, 53605, 56625, 64326, 107210, 113250, 160815, 268025, 321630, 536050, 804075, 1340125, 1608150, 2680250, 4020375, 8040750]

約数ペア:

[(1, 8040750), (2, 4020375), (3, 2680250), (5, 1608150), (6, 1340125), (10, 804075), (15, 536050), (25, 321630), (30, 268025), (50, 160815), (71, 113250), (75, 107210), (125, 64326), (142, 56625), (150, 53605), (151, 53250), (213, 37750), (250, 32163), (302, 26625), (355, 22650), (375, 21442), (426, 18875), (453, 17750), (710, 11325), (750, 10721), (755, 10650), (906, 8875), (1065, 7550), (1510, 5325), (1775, 4530), (2130, 3775), (2265, 3550)]