166809760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 442713600

約数和(自身を除く): 275903840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 169, 199, 208, 248, 260, 310, 338, 398, 403, 416, 496, 520, 620, 676, 796, 806, 845, 992, 995, 1040, 1240, 1352, 1592, 1612, 1690, 1990, 2015, 2080, 2480, 2587, 2704, 3184, 3224, 3380, 3980, 4030, 4960, 5174, 5239, 5408, 6169, 6368, 6448, 6760, 7960, 8060, 10348, 10478, 12338, 12896, 12935, 13520, 15920, 16120, 20696, 20956, 24676, 25870, 26195, 27040, 30845, 31840, 32240, 33631, 41392, 41912, 49352, 51740, 52390, 61690, 64480, 67262, 80197, 82784, 83824, 98704, 103480, 104780, 123380, 134524, 160394, 167648, 168155, 197408, 206960, 209560, 246760, 269048, 320788, 336310, 400985, 413920, 419120, 493520, 538096, 641576, 672620, 801970, 838240, 987040, 1042561, 1076192, 1283152, 1345240, 1603940, 2085122, 2566304, 2690480, 3207880, 4170244, 5212805, 5380960, 6415760, 8340488, 10425610, 12831520, 16680976, 20851220, 33361952, 41702440, 83404880, 166809760]

約数ペア:

[(1, 166809760), (2, 83404880), (4, 41702440), (5, 33361952), (8, 20851220), (10, 16680976), (13, 12831520), (16, 10425610), (20, 8340488), (26, 6415760), (31, 5380960), (32, 5212805), (40, 4170244), (52, 3207880), (62, 2690480), (65, 2566304), (80, 2085122), (104, 1603940), (124, 1345240), (130, 1283152), (155, 1076192), (160, 1042561), (169, 987040), (199, 838240), (208, 801970), (248, 672620), (260, 641576), (310, 538096), (338, 493520), (398, 419120), (403, 413920), (416, 400985), (496, 336310), (520, 320788), (620, 269048), (676, 246760), (796, 209560), (806, 206960), (845, 197408), (992, 168155), (995, 167648), (1040, 160394), (1240, 134524), (1352, 123380), (1592, 104780), (1612, 103480), (1690, 98704), (1990, 83824), (2015, 82784), (2080, 80197), (2480, 67262), (2587, 64480), (2704, 61690), (3184, 52390), (3224, 51740), (3380, 49352), (3980, 41912), (4030, 41392), (4960, 33631), (5174, 32240), (5239, 31840), (5408, 30845), (6169, 27040), (6368, 26195), (6448, 25870), (6760, 24676), (7960, 20956), (8060, 20696), (10348, 16120), (10478, 15920), (12338, 13520), (12896, 12935)]