820020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 2338560

約数和(自身を除く): 1518540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 173, 237, 316, 346, 395, 474, 519, 692, 790, 865, 948, 1038, 1185, 1580, 1730, 2076, 2370, 2595, 3460, 4740, 5190, 10380, 13667, 27334, 41001, 54668, 68335, 82002, 136670, 164004, 205005, 273340, 410010, 820020]

約数ペア:

[(1, 820020), (2, 410010), (3, 273340), (4, 205005), (5, 164004), (6, 136670), (10, 82002), (12, 68335), (15, 54668), (20, 41001), (30, 27334), (60, 13667), (79, 10380), (158, 5190), (173, 4740), (237, 3460), (316, 2595), (346, 2370), (395, 2076), (474, 1730), (519, 1580), (692, 1185), (790, 1038), (865, 948)]