83404880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 217843200

約数和(自身を除く): 134438320

約数列:

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

約数ペア:

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