128302860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{305483}}^1$

素因数の和:305502

約数の個数: 48

約数和(自身を含む): 410570496

約数和(自身を除く): 282267636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 305483, 610966, 916449, 1221932, 1527415, 1832898, 2138381, 3054830, 3665796, 4276762, 4582245, 6109660, 6415143, 8553524, 9164490, 10691905, 12830286, 18328980, 21383810, 25660572, 32075715, 42767620, 64151430, 128302860]

約数ペア:

[(1, 128302860), (2, 64151430), (3, 42767620), (4, 32075715), (5, 25660572), (6, 21383810), (7, 18328980), (10, 12830286), (12, 10691905), (14, 9164490), (15, 8553524), (20, 6415143), (21, 6109660), (28, 4582245), (30, 4276762), (35, 3665796), (42, 3054830), (60, 2138381), (70, 1832898), (84, 1527415), (105, 1221932), (140, 916449), (210, 610966), (420, 305483)]