154984120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 389059200

約数和(自身を除く): 234075080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 37, 40, 46, 58, 74, 92, 115, 116, 145, 148, 157, 184, 185, 230, 232, 290, 296, 314, 370, 460, 580, 628, 667, 740, 785, 851, 920, 1073, 1160, 1256, 1334, 1480, 1570, 1702, 2146, 2668, 3140, 3335, 3404, 3611, 4255, 4292, 4553, 5336, 5365, 5809, 6280, 6670, 6808, 7222, 8510, 8584, 9106, 10730, 11618, 13340, 14444, 17020, 18055, 18212, 21460, 22765, 23236, 24679, 26680, 28888, 29045, 34040, 36110, 36424, 42920, 45530, 46472, 49358, 58090, 72220, 91060, 98716, 104719, 116180, 123395, 133607, 144440, 168461, 182120, 197432, 209438, 232360, 246790, 267214, 336922, 418876, 493580, 523595, 534428, 668035, 673844, 837752, 842305, 987160, 1047190, 1068856, 1336070, 1347688, 1684610, 2094380, 2672140, 3369220, 3874603, 4188760, 5344280, 6738440, 7749206, 15498412, 19373015, 30996824, 38746030, 77492060, 154984120]

約数ペア:

[(1, 154984120), (2, 77492060), (4, 38746030), (5, 30996824), (8, 19373015), (10, 15498412), (20, 7749206), (23, 6738440), (29, 5344280), (37, 4188760), (40, 3874603), (46, 3369220), (58, 2672140), (74, 2094380), (92, 1684610), (115, 1347688), (116, 1336070), (145, 1068856), (148, 1047190), (157, 987160), (184, 842305), (185, 837752), (230, 673844), (232, 668035), (290, 534428), (296, 523595), (314, 493580), (370, 418876), (460, 336922), (580, 267214), (628, 246790), (667, 232360), (740, 209438), (785, 197432), (851, 182120), (920, 168461), (1073, 144440), (1160, 133607), (1256, 123395), (1334, 116180), (1480, 104719), (1570, 98716), (1702, 91060), (2146, 72220), (2668, 58090), (3140, 49358), (3335, 46472), (3404, 45530), (3611, 42920), (4255, 36424), (4292, 36110), (4553, 34040), (5336, 29045), (5365, 28888), (5809, 26680), (6280, 24679), (6670, 23236), (6808, 22765), (7222, 21460), (8510, 18212), (8584, 18055), (9106, 17020), (10730, 14444), (11618, 13340)]