165552400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 180

約数和(自身を含む): 450209280

約数和(自身を除く): 284656880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 79, 80, 100, 104, 124, 130, 155, 158, 169, 200, 208, 248, 260, 310, 316, 325, 338, 395, 400, 403, 496, 520, 620, 632, 650, 676, 775, 790, 806, 845, 1027, 1040, 1240, 1264, 1300, 1352, 1550, 1580, 1612, 1690, 1975, 2015, 2054, 2449, 2480, 2600, 2704, 3100, 3160, 3224, 3380, 3950, 4030, 4108, 4225, 4898, 5135, 5200, 5239, 6200, 6320, 6448, 6760, 7900, 8060, 8216, 8450, 9796, 10075, 10270, 10478, 12245, 12400, 13351, 13520, 15800, 16120, 16432, 16900, 19592, 20150, 20540, 20956, 24490, 25675, 26195, 26702, 31600, 31837, 32240, 33800, 39184, 40300, 41080, 41912, 48980, 51350, 52390, 53404, 61225, 63674, 66755, 67600, 80600, 82160, 83824, 97960, 102700, 104780, 106808, 122450, 127348, 130975, 133510, 159185, 161200, 195920, 205400, 209560, 213616, 244900, 254696, 261950, 267020, 318370, 333775, 410800, 413881, 419120, 489800, 509392, 523900, 534040, 636740, 667550, 795925, 827762, 979600, 1047800, 1068080, 1273480, 1335100, 1591850, 1655524, 2069405, 2095600, 2546960, 2670200, 3183700, 3311048, 4138810, 5340400, 6367400, 6622096, 8277620, 10347025, 12734800, 16555240, 20694050, 33110480, 41388100, 82776200, 165552400]

約数ペア:

[(1, 165552400), (2, 82776200), (4, 41388100), (5, 33110480), (8, 20694050), (10, 16555240), (13, 12734800), (16, 10347025), (20, 8277620), (25, 6622096), (26, 6367400), (31, 5340400), (40, 4138810), (50, 3311048), (52, 3183700), (62, 2670200), (65, 2546960), (79, 2095600), (80, 2069405), (100, 1655524), (104, 1591850), (124, 1335100), (130, 1273480), (155, 1068080), (158, 1047800), (169, 979600), (200, 827762), (208, 795925), (248, 667550), (260, 636740), (310, 534040), (316, 523900), (325, 509392), (338, 489800), (395, 419120), (400, 413881), (403, 410800), (496, 333775), (520, 318370), (620, 267020), (632, 261950), (650, 254696), (676, 244900), (775, 213616), (790, 209560), (806, 205400), (845, 195920), (1027, 161200), (1040, 159185), (1240, 133510), (1264, 130975), (1300, 127348), (1352, 122450), (1550, 106808), (1580, 104780), (1612, 102700), (1690, 97960), (1975, 83824), (2015, 82160), (2054, 80600), (2449, 67600), (2480, 66755), (2600, 63674), (2704, 61225), (3100, 53404), (3160, 52390), (3224, 51350), (3380, 48980), (3950, 41912), (4030, 41080), (4108, 40300), (4225, 39184), (4898, 33800), (5135, 32240), (5200, 31837), (5239, 31600), (6200, 26702), (6320, 26195), (6448, 25675), (6760, 24490), (7900, 20956), (8060, 20540), (8216, 20150), (8450, 19592), (9796, 16900), (10075, 16432), (10270, 16120), (10478, 15800), (12245, 13520), (12400, 13351)]