20086987440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{279919}}^1$

素因数の和:279971

約数の個数: 160

約数和(自身を含む): 69975521280

約数和(自身を除く): 49888533840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 460, 520, 552, 598, 624, 690, 780, 897, 920, 1040, 1104, 1196, 1380, 1495, 1560, 1794, 1840, 2392, 2760, 2990, 3120, 3588, 4485, 4784, 5520, 5980, 7176, 8970, 11960, 14352, 17940, 23920, 35880, 71760, 279919, 559838, 839757, 1119676, 1399595, 1679514, 2239352, 2799190, 3359028, 3638947, 4198785, 4478704, 5598380, 6438137, 6718056, 7277894, 8397570, 10916841, 11196760, 12876274, 13436112, 14555788, 16795140, 18194735, 19314411, 21833682, 22393520, 25752548, 29111576, 32190685, 33590280, 36389470, 38628822, 43667364, 51505096, 54584205, 58223152, 64381370, 67180560, 72778940, 77257644, 83695781, 87334728, 96572055, 103010192, 109168410, 128762740, 145557880, 154515288, 167391562, 174669456, 193144110, 218336820, 251087343, 257525480, 291115760, 309030576, 334783124, 386288220, 418478905, 436673640, 502174686, 515050960, 669566248, 772576440, 836957810, 873347280, 1004349372, 1255436715, 1339132496, 1545152880, 1673915620, 2008698744, 2510873430, 3347831240, 4017397488, 5021746860, 6695662480, 10043493720, 20086987440]

約数ペア:

[(1, 20086987440), (2, 10043493720), (3, 6695662480), (4, 5021746860), (5, 4017397488), (6, 3347831240), (8, 2510873430), (10, 2008698744), (12, 1673915620), (13, 1545152880), (15, 1339132496), (16, 1255436715), (20, 1004349372), (23, 873347280), (24, 836957810), (26, 772576440), (30, 669566248), (39, 515050960), (40, 502174686), (46, 436673640), (48, 418478905), (52, 386288220), (60, 334783124), (65, 309030576), (69, 291115760), (78, 257525480), (80, 251087343), (92, 218336820), (104, 193144110), (115, 174669456), (120, 167391562), (130, 154515288), (138, 145557880), (156, 128762740), (184, 109168410), (195, 103010192), (208, 96572055), (230, 87334728), (240, 83695781), (260, 77257644), (276, 72778940), (299, 67180560), (312, 64381370), (345, 58223152), (368, 54584205), (390, 51505096), (460, 43667364), (520, 38628822), (552, 36389470), (598, 33590280), (624, 32190685), (690, 29111576), (780, 25752548), (897, 22393520), (920, 21833682), (1040, 19314411), (1104, 18194735), (1196, 16795140), (1380, 14555788), (1495, 13436112), (1560, 12876274), (1794, 11196760), (1840, 10916841), (2392, 8397570), (2760, 7277894), (2990, 6718056), (3120, 6438137), (3588, 5598380), (4485, 4478704), (4784, 4198785), (5520, 3638947), (5980, 3359028), (7176, 2799190), (8970, 2239352), (11960, 1679514), (14352, 1399595), (17940, 1119676), (23920, 839757), (35880, 559838), (71760, 279919)]