127243840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:276

約数の個数: 112

約数和(自身を含む): 318357504

約数和(自身を除く): 191113664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 127, 155, 160, 202, 248, 254, 310, 320, 404, 496, 505, 508, 620, 635, 808, 992, 1010, 1016, 1240, 1270, 1616, 1984, 2020, 2032, 2480, 2540, 3131, 3232, 3937, 4040, 4064, 4960, 5080, 6262, 6464, 7874, 8080, 8128, 9920, 10160, 12524, 12827, 15655, 15748, 16160, 19685, 20320, 25048, 25654, 31310, 31496, 32320, 39370, 40640, 50096, 51308, 62620, 62992, 64135, 78740, 100192, 102616, 125240, 125984, 128270, 157480, 200384, 205232, 250480, 251968, 256540, 314960, 397637, 410464, 500960, 513080, 629920, 795274, 820928, 1001920, 1026160, 1259840, 1590548, 1988185, 2052320, 3181096, 3976370, 4104640, 6362192, 7952740, 12724384, 15905480, 25448768, 31810960, 63621920, 127243840]

約数ペア:

[(1, 127243840), (2, 63621920), (4, 31810960), (5, 25448768), (8, 15905480), (10, 12724384), (16, 7952740), (20, 6362192), (31, 4104640), (32, 3976370), (40, 3181096), (62, 2052320), (64, 1988185), (80, 1590548), (101, 1259840), (124, 1026160), (127, 1001920), (155, 820928), (160, 795274), (202, 629920), (248, 513080), (254, 500960), (310, 410464), (320, 397637), (404, 314960), (496, 256540), (505, 251968), (508, 250480), (620, 205232), (635, 200384), (808, 157480), (992, 128270), (1010, 125984), (1016, 125240), (1240, 102616), (1270, 100192), (1616, 78740), (1984, 64135), (2020, 62992), (2032, 62620), (2480, 51308), (2540, 50096), (3131, 40640), (3232, 39370), (3937, 32320), (4040, 31496), (4064, 31310), (4960, 25654), (5080, 25048), (6262, 20320), (6464, 19685), (7874, 16160), (8080, 15748), (8128, 15655), (9920, 12827), (10160, 12524)]