1290035240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1147

約数の個数: 128

約数和(自身を含む): 3270758400

約数和(自身を除く): 1980723160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 79, 104, 124, 130, 155, 158, 248, 260, 310, 316, 395, 403, 520, 620, 632, 790, 806, 1013, 1027, 1240, 1580, 1612, 2015, 2026, 2054, 2449, 3160, 3224, 4030, 4052, 4108, 4898, 5065, 5135, 8060, 8104, 8216, 9796, 10130, 10270, 12245, 13169, 16120, 19592, 20260, 20540, 24490, 26338, 31403, 31837, 40520, 41080, 48980, 52676, 62806, 63674, 65845, 80027, 97960, 105352, 125612, 127348, 131690, 157015, 159185, 160054, 251224, 254696, 263380, 314030, 318370, 320108, 400135, 408239, 526760, 628060, 636740, 640216, 800270, 816478, 1040351, 1256120, 1273480, 1600540, 1632956, 2041195, 2080702, 2480837, 3201080, 3265912, 4082390, 4161404, 4961674, 5201755, 8164780, 8322808, 9923348, 10403510, 12404185, 16329560, 19846696, 20807020, 24808370, 32250881, 41614040, 49616740, 64501762, 99233480, 129003524, 161254405, 258007048, 322508810, 645017620, 1290035240]

約数ペア:

[(1, 1290035240), (2, 645017620), (4, 322508810), (5, 258007048), (8, 161254405), (10, 129003524), (13, 99233480), (20, 64501762), (26, 49616740), (31, 41614040), (40, 32250881), (52, 24808370), (62, 20807020), (65, 19846696), (79, 16329560), (104, 12404185), (124, 10403510), (130, 9923348), (155, 8322808), (158, 8164780), (248, 5201755), (260, 4961674), (310, 4161404), (316, 4082390), (395, 3265912), (403, 3201080), (520, 2480837), (620, 2080702), (632, 2041195), (790, 1632956), (806, 1600540), (1013, 1273480), (1027, 1256120), (1240, 1040351), (1580, 816478), (1612, 800270), (2015, 640216), (2026, 636740), (2054, 628060), (2449, 526760), (3160, 408239), (3224, 400135), (4030, 320108), (4052, 318370), (4108, 314030), (4898, 263380), (5065, 254696), (5135, 251224), (8060, 160054), (8104, 159185), (8216, 157015), (9796, 131690), (10130, 127348), (10270, 125612), (12245, 105352), (13169, 97960), (16120, 80027), (19592, 65845), (20260, 63674), (20540, 62806), (24490, 52676), (26338, 48980), (31403, 41080), (31837, 40520)]