2687130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 7099560

約数和(自身を除く): 4412430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 409, 438, 657, 730, 818, 1095, 1227, 1314, 2045, 2190, 2454, 3285, 3681, 4090, 6135, 6570, 7362, 12270, 18405, 29857, 36810, 59714, 89571, 149285, 179142, 268713, 298570, 447855, 537426, 895710, 1343565, 2687130]

約数ペア:

[(1, 2687130), (2, 1343565), (3, 895710), (5, 537426), (6, 447855), (9, 298570), (10, 268713), (15, 179142), (18, 149285), (30, 89571), (45, 59714), (73, 36810), (90, 29857), (146, 18405), (219, 12270), (365, 7362), (409, 6570), (438, 6135), (657, 4090), (730, 3681), (818, 3285), (1095, 2454), (1227, 2190), (1314, 2045)]