255207240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12437}}^1$

素因数の和:12476

約数の個数: 128

約数和(自身を含む): 895536000

約数和(自身を除く): 640328760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 12437, 20520, 24874, 37311, 49748, 62185, 74622, 99496, 111933, 124370, 149244, 186555, 223866, 236303, 248740, 298488, 335799, 373110, 447732, 472606, 497480, 559665, 671598, 708909, 746220, 895464, 945212, 1119330, 1181515, 1343196, 1417818, 1492440, 1678995, 1890424, 2126727, 2238660, 2363030, 2686392, 2835636, 3357990, 3544545, 4253454, 4477320, 4726060, 5671272, 6380181, 6715980, 7089090, 8506908, 9452120, 10633635, 12760362, 13431960, 14178180, 17013816, 21267270, 25520724, 28356360, 31900905, 42534540, 51041448, 63801810, 85069080, 127603620, 255207240]

約数ペア:

[(1, 255207240), (2, 127603620), (3, 85069080), (4, 63801810), (5, 51041448), (6, 42534540), (8, 31900905), (9, 28356360), (10, 25520724), (12, 21267270), (15, 17013816), (18, 14178180), (19, 13431960), (20, 12760362), (24, 10633635), (27, 9452120), (30, 8506908), (36, 7089090), (38, 6715980), (40, 6380181), (45, 5671272), (54, 4726060), (57, 4477320), (60, 4253454), (72, 3544545), (76, 3357990), (90, 2835636), (95, 2686392), (108, 2363030), (114, 2238660), (120, 2126727), (135, 1890424), (152, 1678995), (171, 1492440), (180, 1417818), (190, 1343196), (216, 1181515), (228, 1119330), (270, 945212), (285, 895464), (342, 746220), (360, 708909), (380, 671598), (456, 559665), (513, 497480), (540, 472606), (570, 447732), (684, 373110), (760, 335799), (855, 298488), (1026, 248740), (1080, 236303), (1140, 223866), (1368, 186555), (1710, 149244), (2052, 124370), (2280, 111933), (2565, 99496), (3420, 74622), (4104, 62185), (5130, 49748), (6840, 37311), (10260, 24874), (12437, 20520)]