648627840

素因数分解:

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

素因数の和:16119

約数の個数: 192

約数和(自身を含む): 2559922560

約数和(自身を除く): 1911294720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 16087, 20160, 32174, 40320, 48261, 64348, 80435, 96522, 112609, 128696, 144783, 160870, 193044, 225218, 241305, 257392, 289566, 321740, 337827, 386088, 450436, 482610, 514784, 563045, 579132, 643480, 675654, 723915, 772176, 900872, 965220, 1013481, 1029568, 1126090, 1158264, 1286960, 1351308, 1447830, 1544352, 1689135, 1801744, 1930440, 2026962, 2059136, 2252180, 2316528, 2573920, 2702616, 2895660, 3088704, 3378270, 3603488, 3860880, 4053924, 4504360, 4633056, 5067405, 5147840, 5405232, 5791320, 6177408, 6756540, 7206976, 7721760, 8107848, 9008720, 9266112, 10134810, 10295680, 10810464, 11582640, 13513080, 14413952, 15443520, 16215696, 18017440, 18532224, 20269620, 21620928, 23165280, 27026160, 30887040, 32431392, 36034880, 40539240, 43241856, 46330560, 54052320, 64862784, 72069760, 81078480, 92661120, 108104640, 129725568, 162156960, 216209280, 324313920, 648627840]

約数ペア:

[(1, 648627840), (2, 324313920), (3, 216209280), (4, 162156960), (5, 129725568), (6, 108104640), (7, 92661120), (8, 81078480), (9, 72069760), (10, 64862784), (12, 54052320), (14, 46330560), (15, 43241856), (16, 40539240), (18, 36034880), (20, 32431392), (21, 30887040), (24, 27026160), (28, 23165280), (30, 21620928), (32, 20269620), (35, 18532224), (36, 18017440), (40, 16215696), (42, 15443520), (45, 14413952), (48, 13513080), (56, 11582640), (60, 10810464), (63, 10295680), (64, 10134810), (70, 9266112), (72, 9008720), (80, 8107848), (84, 7721760), (90, 7206976), (96, 6756540), (105, 6177408), (112, 5791320), (120, 5405232), (126, 5147840), (128, 5067405), (140, 4633056), (144, 4504360), (160, 4053924), (168, 3860880), (180, 3603488), (192, 3378270), (210, 3088704), (224, 2895660), (240, 2702616), (252, 2573920), (280, 2316528), (288, 2252180), (315, 2059136), (320, 2026962), (336, 1930440), (360, 1801744), (384, 1689135), (420, 1544352), (448, 1447830), (480, 1351308), (504, 1286960), (560, 1158264), (576, 1126090), (630, 1029568), (640, 1013481), (672, 965220), (720, 900872), (840, 772176), (896, 723915), (960, 675654), (1008, 643480), (1120, 579132), (1152, 563045), (1260, 514784), (1344, 482610), (1440, 450436), (1680, 386088), (1920, 337827), (2016, 321740), (2240, 289566), (2520, 257392), (2688, 241305), (2880, 225218), (3360, 193044), (4032, 160870), (4480, 144783), (5040, 128696), (5760, 112609), (6720, 96522), (8064, 80435), (10080, 64348), (13440, 48261), (16087, 40320), (20160, 32174)]