258639780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32411}}^1$

素因数の和:32449

約数の個数: 96

約数和(自身を含む): 871234560

約数和(自身を除く): 612594780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 32411, 64822, 97233, 129644, 162055, 194466, 226877, 324110, 388932, 453754, 486165, 615809, 648220, 680631, 907508, 972330, 1134385, 1231618, 1361262, 1847427, 1944660, 2268770, 2463236, 2722524, 3079045, 3403155, 3694854, 4310663, 4537540, 6158090, 6806310, 7389708, 8621326, 9237135, 12316180, 12931989, 13612620, 17242652, 18474270, 21553315, 25863978, 36948540, 43106630, 51727956, 64659945, 86213260, 129319890, 258639780]

約数ペア:

[(1, 258639780), (2, 129319890), (3, 86213260), (4, 64659945), (5, 51727956), (6, 43106630), (7, 36948540), (10, 25863978), (12, 21553315), (14, 18474270), (15, 17242652), (19, 13612620), (20, 12931989), (21, 12316180), (28, 9237135), (30, 8621326), (35, 7389708), (38, 6806310), (42, 6158090), (57, 4537540), (60, 4310663), (70, 3694854), (76, 3403155), (84, 3079045), (95, 2722524), (105, 2463236), (114, 2268770), (133, 1944660), (140, 1847427), (190, 1361262), (210, 1231618), (228, 1134385), (266, 972330), (285, 907508), (380, 680631), (399, 648220), (420, 615809), (532, 486165), (570, 453754), (665, 388932), (798, 324110), (1140, 226877), (1330, 194466), (1596, 162055), (1995, 129644), (2660, 97233), (3990, 64822), (7980, 32411)]