808181920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1263

約数の個数: 192

約数和(自身を含む): 2401975296

約数和(自身を除く): 1593793376

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 47, 52, 56, 65, 70, 80, 91, 94, 104, 112, 130, 140, 160, 182, 188, 208, 224, 235, 260, 280, 329, 364, 376, 416, 455, 470, 520, 560, 611, 658, 728, 752, 910, 940, 1040, 1120, 1181, 1222, 1316, 1456, 1504, 1645, 1820, 1880, 2080, 2362, 2444, 2632, 2912, 3055, 3290, 3640, 3760, 4277, 4724, 4888, 5264, 5905, 6110, 6580, 7280, 7520, 8267, 8554, 9448, 9776, 10528, 11810, 12220, 13160, 14560, 15353, 16534, 17108, 18896, 19552, 21385, 23620, 24440, 26320, 30706, 33068, 34216, 37792, 41335, 42770, 47240, 48880, 52640, 55507, 61412, 66136, 68432, 76765, 82670, 85540, 94480, 97760, 107471, 111014, 122824, 132272, 136864, 153530, 165340, 171080, 188960, 214942, 222028, 245648, 264544, 277535, 307060, 330680, 342160, 388549, 429884, 444056, 491296, 537355, 555070, 614120, 661360, 684320, 721591, 777098, 859768, 888112, 1074710, 1110140, 1228240, 1322720, 1443182, 1554196, 1719536, 1776224, 1942745, 2149420, 2220280, 2456480, 2886364, 3108392, 3439072, 3607955, 3885490, 4298840, 4440560, 5051137, 5772728, 6216784, 7215910, 7770980, 8597680, 8881120, 10102274, 11545456, 12433568, 14431820, 15541960, 17195360, 20204548, 23090912, 25255685, 28863640, 31083920, 40409096, 50511370, 57727280, 62167840, 80818192, 101022740, 115454560, 161636384, 202045480, 404090960, 808181920]

約数ペア:

[(1, 808181920), (2, 404090960), (4, 202045480), (5, 161636384), (7, 115454560), (8, 101022740), (10, 80818192), (13, 62167840), (14, 57727280), (16, 50511370), (20, 40409096), (26, 31083920), (28, 28863640), (32, 25255685), (35, 23090912), (40, 20204548), (47, 17195360), (52, 15541960), (56, 14431820), (65, 12433568), (70, 11545456), (80, 10102274), (91, 8881120), (94, 8597680), (104, 7770980), (112, 7215910), (130, 6216784), (140, 5772728), (160, 5051137), (182, 4440560), (188, 4298840), (208, 3885490), (224, 3607955), (235, 3439072), (260, 3108392), (280, 2886364), (329, 2456480), (364, 2220280), (376, 2149420), (416, 1942745), (455, 1776224), (470, 1719536), (520, 1554196), (560, 1443182), (611, 1322720), (658, 1228240), (728, 1110140), (752, 1074710), (910, 888112), (940, 859768), (1040, 777098), (1120, 721591), (1181, 684320), (1222, 661360), (1316, 614120), (1456, 555070), (1504, 537355), (1645, 491296), (1820, 444056), (1880, 429884), (2080, 388549), (2362, 342160), (2444, 330680), (2632, 307060), (2912, 277535), (3055, 264544), (3290, 245648), (3640, 222028), (3760, 214942), (4277, 188960), (4724, 171080), (4888, 165340), (5264, 153530), (5905, 136864), (6110, 132272), (6580, 122824), (7280, 111014), (7520, 107471), (8267, 97760), (8554, 94480), (9448, 85540), (9776, 82670), (10528, 76765), (11810, 68432), (12220, 66136), (13160, 61412), (14560, 55507), (15353, 52640), (16534, 48880), (17108, 47240), (18896, 42770), (19552, 41335), (21385, 37792), (23620, 34216), (24440, 33068), (26320, 30706)]