42879420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1129}}^1$

素因数の和:1355

約数の個数: 72

約数和(自身を含む): 130799760

約数和(自身を除く): 87920340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1129, 1266, 1899, 2110, 2258, 2532, 3165, 3387, 3798, 4220, 4516, 5645, 6330, 6774, 7596, 9495, 10161, 11290, 12660, 13548, 16935, 18990, 20322, 22580, 33870, 37980, 40644, 50805, 67740, 101610, 203220, 238219, 476438, 714657, 952876, 1191095, 1429314, 2143971, 2382190, 2858628, 3573285, 4287942, 4764380, 7146570, 8575884, 10719855, 14293140, 21439710, 42879420]

約数ペア:

[(1, 42879420), (2, 21439710), (3, 14293140), (4, 10719855), (5, 8575884), (6, 7146570), (9, 4764380), (10, 4287942), (12, 3573285), (15, 2858628), (18, 2382190), (20, 2143971), (30, 1429314), (36, 1191095), (45, 952876), (60, 714657), (90, 476438), (180, 238219), (211, 203220), (422, 101610), (633, 67740), (844, 50805), (1055, 40644), (1129, 37980), (1266, 33870), (1899, 22580), (2110, 20322), (2258, 18990), (2532, 16935), (3165, 13548), (3387, 12660), (3798, 11290), (4220, 10161), (4516, 9495), (5645, 7596), (6330, 6774)]