81078480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{16087}}^1$

素因数の和:16113

約数の個数: 120

約数和(自身を含む): 311206272

約数和(自身を除く): 230127792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 16087, 32174, 48261, 64348, 80435, 96522, 112609, 128696, 144783, 160870, 193044, 225218, 241305, 257392, 289566, 321740, 337827, 386088, 450436, 482610, 563045, 579132, 643480, 675654, 723915, 772176, 900872, 965220, 1013481, 1126090, 1158264, 1286960, 1351308, 1447830, 1689135, 1801744, 1930440, 2026962, 2252180, 2316528, 2702616, 2895660, 3378270, 3860880, 4053924, 4504360, 5067405, 5405232, 5791320, 6756540, 8107848, 9008720, 10134810, 11582640, 13513080, 16215696, 20269620, 27026160, 40539240, 81078480]

約数ペア:

[(1, 81078480), (2, 40539240), (3, 27026160), (4, 20269620), (5, 16215696), (6, 13513080), (7, 11582640), (8, 10134810), (9, 9008720), (10, 8107848), (12, 6756540), (14, 5791320), (15, 5405232), (16, 5067405), (18, 4504360), (20, 4053924), (21, 3860880), (24, 3378270), (28, 2895660), (30, 2702616), (35, 2316528), (36, 2252180), (40, 2026962), (42, 1930440), (45, 1801744), (48, 1689135), (56, 1447830), (60, 1351308), (63, 1286960), (70, 1158264), (72, 1126090), (80, 1013481), (84, 965220), (90, 900872), (105, 772176), (112, 723915), (120, 675654), (126, 643480), (140, 579132), (144, 563045), (168, 482610), (180, 450436), (210, 386088), (240, 337827), (252, 321740), (280, 289566), (315, 257392), (336, 241305), (360, 225218), (420, 193044), (504, 160870), (560, 144783), (630, 128696), (720, 112609), (840, 96522), (1008, 80435), (1260, 64348), (1680, 48261), (2520, 32174), (5040, 16087)]