7705980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1427

約数の個数: 72

約数和(自身を含む): 24146304

約数和(自身を除く): 16440324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1381, 1395, 1860, 2762, 2790, 4143, 5524, 5580, 6905, 8286, 12429, 13810, 16572, 20715, 24858, 27620, 41430, 42811, 49716, 62145, 82860, 85622, 124290, 128433, 171244, 214055, 248580, 256866, 385299, 428110, 513732, 642165, 770598, 856220, 1284330, 1541196, 1926495, 2568660, 3852990, 7705980]

約数ペア:

[(1, 7705980), (2, 3852990), (3, 2568660), (4, 1926495), (5, 1541196), (6, 1284330), (9, 856220), (10, 770598), (12, 642165), (15, 513732), (18, 428110), (20, 385299), (30, 256866), (31, 248580), (36, 214055), (45, 171244), (60, 128433), (62, 124290), (90, 85622), (93, 82860), (124, 62145), (155, 49716), (180, 42811), (186, 41430), (279, 27620), (310, 24858), (372, 20715), (465, 16572), (558, 13810), (620, 12429), (930, 8286), (1116, 6905), (1381, 5580), (1395, 5524), (1860, 4143), (2762, 2790)]