265826240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 112

約数和(自身を含む): 661684224

約数和(自身を除く): 395857984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 155, 160, 211, 248, 254, 310, 320, 422, 496, 508, 620, 635, 844, 992, 1016, 1055, 1240, 1270, 1688, 1984, 2032, 2110, 2480, 2540, 3376, 3937, 4064, 4220, 4960, 5080, 6541, 6752, 7874, 8128, 8440, 9920, 10160, 13082, 13504, 15748, 16880, 19685, 20320, 26164, 26797, 31496, 32705, 33760, 39370, 40640, 52328, 53594, 62992, 65410, 67520, 78740, 104656, 107188, 125984, 130820, 133985, 157480, 209312, 214376, 251968, 261640, 267970, 314960, 418624, 428752, 523280, 535940, 629920, 830707, 857504, 1046560, 1071880, 1259840, 1661414, 1715008, 2093120, 2143760, 3322828, 4153535, 4287520, 6645656, 8307070, 8575040, 13291312, 16614140, 26582624, 33228280, 53165248, 66456560, 132913120, 265826240]

約数ペア:

[(1, 265826240), (2, 132913120), (4, 66456560), (5, 53165248), (8, 33228280), (10, 26582624), (16, 16614140), (20, 13291312), (31, 8575040), (32, 8307070), (40, 6645656), (62, 4287520), (64, 4153535), (80, 3322828), (124, 2143760), (127, 2093120), (155, 1715008), (160, 1661414), (211, 1259840), (248, 1071880), (254, 1046560), (310, 857504), (320, 830707), (422, 629920), (496, 535940), (508, 523280), (620, 428752), (635, 418624), (844, 314960), (992, 267970), (1016, 261640), (1055, 251968), (1240, 214376), (1270, 209312), (1688, 157480), (1984, 133985), (2032, 130820), (2110, 125984), (2480, 107188), (2540, 104656), (3376, 78740), (3937, 67520), (4064, 65410), (4220, 62992), (4960, 53594), (5080, 52328), (6541, 40640), (6752, 39370), (7874, 33760), (8128, 32705), (8440, 31496), (9920, 26797), (10160, 26164), (13082, 20320), (13504, 19685), (15748, 16880)]