2781420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 7865088

約数和(自身を除く): 5083668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 307, 453, 604, 614, 755, 906, 921, 1228, 1510, 1535, 1812, 1842, 2265, 3020, 3070, 3684, 4530, 4605, 6140, 9060, 9210, 18420, 46357, 92714, 139071, 185428, 231785, 278142, 463570, 556284, 695355, 927140, 1390710, 2781420]

約数ペア:

[(1, 2781420), (2, 1390710), (3, 927140), (4, 695355), (5, 556284), (6, 463570), (10, 278142), (12, 231785), (15, 185428), (20, 139071), (30, 92714), (60, 46357), (151, 18420), (302, 9210), (307, 9060), (453, 6140), (604, 4605), (614, 4530), (755, 3684), (906, 3070), (921, 3020), (1228, 2265), (1510, 1842), (1535, 1812)]