20109740880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1\times {\mathrm{2267}}^1$

素因数の和:3913

約数の個数: 160

約数和(自身を含む): 65119832064

約数和(自身を除く): 45010091184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1607, 1840, 2267, 2760, 3214, 4534, 4821, 5520, 6428, 6801, 8035, 9068, 9642, 11335, 12856, 13602, 16070, 18136, 19284, 22670, 24105, 25712, 27204, 32140, 34005, 36272, 36961, 38568, 45340, 48210, 52141, 54408, 64280, 68010, 73922, 77136, 90680, 96420, 104282, 108816, 110883, 128560, 136020, 147844, 156423, 181360, 184805, 192840, 208564, 221766, 260705, 272040, 295688, 312846, 369610, 385680, 417128, 443532, 521410, 544080, 554415, 591376, 625692, 739220, 782115, 834256, 887064, 1042820, 1108830, 1251384, 1478440, 1564230, 1774128, 2085640, 2217660, 2502768, 2956880, 3128460, 3643069, 4171280, 4435320, 6256920, 7286138, 8870640, 10929207, 12513840, 14572276, 18215345, 21858414, 29144552, 36430690, 43716828, 54646035, 58289104, 72861380, 83790587, 87433656, 109292070, 145722760, 167581174, 174867312, 218584140, 251371761, 291445520, 335162348, 418952935, 437168280, 502743522, 670324696, 837905870, 874336560, 1005487044, 1256858805, 1340649392, 1675811740, 2010974088, 2513717610, 3351623480, 4021948176, 5027435220, 6703246960, 10054870440, 20109740880]

約数ペア:

[(1, 20109740880), (2, 10054870440), (3, 6703246960), (4, 5027435220), (5, 4021948176), (6, 3351623480), (8, 2513717610), (10, 2010974088), (12, 1675811740), (15, 1340649392), (16, 1256858805), (20, 1005487044), (23, 874336560), (24, 837905870), (30, 670324696), (40, 502743522), (46, 437168280), (48, 418952935), (60, 335162348), (69, 291445520), (80, 251371761), (92, 218584140), (115, 174867312), (120, 167581174), (138, 145722760), (184, 109292070), (230, 87433656), (240, 83790587), (276, 72861380), (345, 58289104), (368, 54646035), (460, 43716828), (552, 36430690), (690, 29144552), (920, 21858414), (1104, 18215345), (1380, 14572276), (1607, 12513840), (1840, 10929207), (2267, 8870640), (2760, 7286138), (3214, 6256920), (4534, 4435320), (4821, 4171280), (5520, 3643069), (6428, 3128460), (6801, 2956880), (8035, 2502768), (9068, 2217660), (9642, 2085640), (11335, 1774128), (12856, 1564230), (13602, 1478440), (16070, 1251384), (18136, 1108830), (19284, 1042820), (22670, 887064), (24105, 834256), (25712, 782115), (27204, 739220), (32140, 625692), (34005, 591376), (36272, 554415), (36961, 544080), (38568, 521410), (45340, 443532), (48210, 417128), (52141, 385680), (54408, 369610), (64280, 312846), (68010, 295688), (73922, 272040), (77136, 260705), (90680, 221766), (96420, 208564), (104282, 192840), (108816, 184805), (110883, 181360), (128560, 156423), (136020, 147844)]