1280151540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1877}}^1$

素因数の和:2319

約数の個数: 120

約数和(自身を含む): 4027566312

約数和(自身を除く): 2747414772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 421, 540, 810, 842, 1263, 1620, 1684, 1877, 2105, 2526, 3754, 3789, 4210, 5052, 5631, 6315, 7508, 7578, 8420, 9385, 11262, 11367, 12630, 15156, 16893, 18770, 18945, 22524, 22734, 25260, 28155, 33786, 34101, 37540, 37890, 45468, 50679, 56310, 56835, 67572, 68202, 75780, 84465, 101358, 112620, 113670, 136404, 152037, 168930, 170505, 202716, 227340, 253395, 304074, 337860, 341010, 506790, 608148, 682020, 760185, 790217, 1013580, 1520370, 1580434, 2370651, 3040740, 3160868, 3951085, 4741302, 7111953, 7902170, 9482604, 11853255, 14223906, 15804340, 21335859, 23706510, 28447812, 35559765, 42671718, 47413020, 64007577, 71119530, 85343436, 106679295, 128015154, 142239060, 213358590, 256030308, 320037885, 426717180, 640075770, 1280151540]

約数ペア:

[(1, 1280151540), (2, 640075770), (3, 426717180), (4, 320037885), (5, 256030308), (6, 213358590), (9, 142239060), (10, 128015154), (12, 106679295), (15, 85343436), (18, 71119530), (20, 64007577), (27, 47413020), (30, 42671718), (36, 35559765), (45, 28447812), (54, 23706510), (60, 21335859), (81, 15804340), (90, 14223906), (108, 11853255), (135, 9482604), (162, 7902170), (180, 7111953), (270, 4741302), (324, 3951085), (405, 3160868), (421, 3040740), (540, 2370651), (810, 1580434), (842, 1520370), (1263, 1013580), (1620, 790217), (1684, 760185), (1877, 682020), (2105, 608148), (2526, 506790), (3754, 341010), (3789, 337860), (4210, 304074), (5052, 253395), (5631, 227340), (6315, 202716), (7508, 170505), (7578, 168930), (8420, 152037), (9385, 136404), (11262, 113670), (11367, 112620), (12630, 101358), (15156, 84465), (16893, 75780), (18770, 68202), (18945, 67572), (22524, 56835), (22734, 56310), (25260, 50679), (28155, 45468), (33786, 37890), (34101, 37540)]