31842801920

素因数分解:

$2^8\times 5^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1208

約数の個数: 144

約数和(自身を含む): 77263200000

約数和(自身を除く): 45420398080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 199, 256, 298, 320, 398, 596, 640, 745, 796, 839, 995, 1192, 1280, 1490, 1592, 1678, 1990, 2384, 2980, 3184, 3356, 3980, 4195, 4768, 5960, 6368, 6712, 7960, 8390, 9536, 11920, 12736, 13424, 15920, 16780, 19072, 23840, 25472, 26848, 29651, 31840, 33560, 38144, 47680, 50944, 53696, 59302, 63680, 67120, 95360, 107392, 118604, 125011, 127360, 134240, 148255, 166961, 190720, 214784, 237208, 250022, 254720, 268480, 296510, 333922, 474416, 500044, 536960, 593020, 625055, 667844, 834805, 948832, 1000088, 1073920, 1186040, 1250110, 1335688, 1669610, 1897664, 2000176, 2372080, 2500220, 2671376, 3339220, 3795328, 4000352, 4744160, 5000440, 5342752, 6678440, 7590656, 8000704, 9488320, 10000880, 10685504, 13356880, 16001408, 18976640, 20001760, 21371008, 24877189, 26713760, 32002816, 37953280, 40003520, 42742016, 49754378, 53427520, 80007040, 99508756, 106855040, 124385945, 160014080, 199017512, 213710080, 248771890, 398035024, 497543780, 796070048, 995087560, 1592140096, 1990175120, 3184280192, 3980350240, 6368560384, 7960700480, 15921400960, 31842801920]

約数ペア:

[(1, 31842801920), (2, 15921400960), (4, 7960700480), (5, 6368560384), (8, 3980350240), (10, 3184280192), (16, 1990175120), (20, 1592140096), (32, 995087560), (40, 796070048), (64, 497543780), (80, 398035024), (128, 248771890), (149, 213710080), (160, 199017512), (199, 160014080), (256, 124385945), (298, 106855040), (320, 99508756), (398, 80007040), (596, 53427520), (640, 49754378), (745, 42742016), (796, 40003520), (839, 37953280), (995, 32002816), (1192, 26713760), (1280, 24877189), (1490, 21371008), (1592, 20001760), (1678, 18976640), (1990, 16001408), (2384, 13356880), (2980, 10685504), (3184, 10000880), (3356, 9488320), (3980, 8000704), (4195, 7590656), (4768, 6678440), (5960, 5342752), (6368, 5000440), (6712, 4744160), (7960, 4000352), (8390, 3795328), (9536, 3339220), (11920, 2671376), (12736, 2500220), (13424, 2372080), (15920, 2000176), (16780, 1897664), (19072, 1669610), (23840, 1335688), (25472, 1250110), (26848, 1186040), (29651, 1073920), (31840, 1000088), (33560, 948832), (38144, 834805), (47680, 667844), (50944, 625055), (53696, 593020), (59302, 536960), (63680, 500044), (67120, 474416), (95360, 333922), (107392, 296510), (118604, 268480), (125011, 254720), (127360, 250022), (134240, 237208), (148255, 214784), (166961, 190720)]