81433020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5281}}^1$

素因数の和:5550

約数の個数: 48

約数和(自身を含む): 228943008

約数和(自身を除く): 147509988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5140, 5281, 7710, 10562, 15420, 15843, 21124, 26405, 31686, 52810, 63372, 79215, 105620, 158430, 316860, 1357217, 2714434, 4071651, 5428868, 6786085, 8143302, 13572170, 16286604, 20358255, 27144340, 40716510, 81433020]

約数ペア:

[(1, 81433020), (2, 40716510), (3, 27144340), (4, 20358255), (5, 16286604), (6, 13572170), (10, 8143302), (12, 6786085), (15, 5428868), (20, 4071651), (30, 2714434), (60, 1357217), (257, 316860), (514, 158430), (771, 105620), (1028, 79215), (1285, 63372), (1542, 52810), (2570, 31686), (3084, 26405), (3855, 21124), (5140, 15843), (5281, 15420), (7710, 10562)]