261640380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101411}}^1$

素因数の和:101466

約数の個数: 48

約数和(自身を含む): 749637504

約数和(自身を除く): 487997124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 101411, 202822, 304233, 405644, 507055, 608466, 1014110, 1216932, 1521165, 2028220, 3042330, 4360673, 6084660, 8721346, 13082019, 17442692, 21803365, 26164038, 43606730, 52328076, 65410095, 87213460, 130820190, 261640380]

約数ペア:

[(1, 261640380), (2, 130820190), (3, 87213460), (4, 65410095), (5, 52328076), (6, 43606730), (10, 26164038), (12, 21803365), (15, 17442692), (20, 13082019), (30, 8721346), (43, 6084660), (60, 4360673), (86, 3042330), (129, 2028220), (172, 1521165), (215, 1216932), (258, 1014110), (430, 608466), (516, 507055), (645, 405644), (860, 304233), (1290, 202822), (2580, 101411)]