289585980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12281}}^1$

素因数の和:12427

約数の個数: 72

約数和(自身を含む): 885188304

約数和(自身を除く): 595602324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 11790, 12281, 23580, 24562, 36843, 49124, 61405, 73686, 110529, 122810, 147372, 184215, 221058, 245620, 368430, 442116, 552645, 736860, 1105290, 1608811, 2210580, 3217622, 4826433, 6435244, 8044055, 9652866, 14479299, 16088110, 19305732, 24132165, 28958598, 32176220, 48264330, 57917196, 72396495, 96528660, 144792990, 289585980]

約数ペア:

[(1, 289585980), (2, 144792990), (3, 96528660), (4, 72396495), (5, 57917196), (6, 48264330), (9, 32176220), (10, 28958598), (12, 24132165), (15, 19305732), (18, 16088110), (20, 14479299), (30, 9652866), (36, 8044055), (45, 6435244), (60, 4826433), (90, 3217622), (131, 2210580), (180, 1608811), (262, 1105290), (393, 736860), (524, 552645), (655, 442116), (786, 368430), (1179, 245620), (1310, 221058), (1572, 184215), (1965, 147372), (2358, 122810), (2620, 110529), (3930, 73686), (4716, 61405), (5895, 49124), (7860, 36843), (11790, 24562), (12281, 23580)]