256339620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15313}}^1$

素因数の和:15362

約数の個数: 96

約数和(自身を含む): 823280640

約数和(自身を除く): 566941020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 5580, 8370, 15313, 16740, 30626, 45939, 61252, 76565, 91878, 137817, 153130, 183756, 229695, 275634, 306260, 413451, 459390, 474703, 551268, 689085, 826902, 918780, 949406, 1378170, 1424109, 1653804, 1898812, 2067255, 2373515, 2756340, 2848218, 4134510, 4272327, 4747030, 5696436, 7120545, 8269020, 8544654, 9494060, 12816981, 14241090, 17089308, 21361635, 25633962, 28482180, 42723270, 51267924, 64084905, 85446540, 128169810, 256339620]

約数ペア:

[(1, 256339620), (2, 128169810), (3, 85446540), (4, 64084905), (5, 51267924), (6, 42723270), (9, 28482180), (10, 25633962), (12, 21361635), (15, 17089308), (18, 14241090), (20, 12816981), (27, 9494060), (30, 8544654), (31, 8269020), (36, 7120545), (45, 5696436), (54, 4747030), (60, 4272327), (62, 4134510), (90, 2848218), (93, 2756340), (108, 2373515), (124, 2067255), (135, 1898812), (155, 1653804), (180, 1424109), (186, 1378170), (270, 949406), (279, 918780), (310, 826902), (372, 689085), (465, 551268), (540, 474703), (558, 459390), (620, 413451), (837, 306260), (930, 275634), (1116, 229695), (1395, 183756), (1674, 153130), (1860, 137817), (2790, 91878), (3348, 76565), (4185, 61252), (5580, 45939), (8370, 30626), (15313, 16740)]