82810920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 260029440

約数和(自身を除く): 177218520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 113, 120, 124, 155, 186, 197, 226, 248, 310, 339, 372, 394, 452, 465, 565, 591, 620, 678, 744, 788, 904, 930, 985, 1130, 1182, 1240, 1356, 1576, 1695, 1860, 1970, 2260, 2364, 2712, 2955, 3390, 3503, 3720, 3940, 4520, 4728, 5910, 6107, 6780, 7006, 7880, 10509, 11820, 12214, 13560, 14012, 17515, 18321, 21018, 22261, 23640, 24428, 28024, 30535, 35030, 36642, 42036, 44522, 48856, 52545, 61070, 66783, 70060, 73284, 84072, 89044, 91605, 105090, 111305, 122140, 133566, 140120, 146568, 178088, 183210, 210180, 222610, 244280, 267132, 333915, 366420, 420360, 445220, 534264, 667830, 690091, 732840, 890440, 1335660, 1380182, 2070273, 2671320, 2760364, 3450455, 4140546, 5520728, 6900910, 8281092, 10351365, 13801820, 16562184, 20702730, 27603640, 41405460, 82810920]

約数ペア:

[(1, 82810920), (2, 41405460), (3, 27603640), (4, 20702730), (5, 16562184), (6, 13801820), (8, 10351365), (10, 8281092), (12, 6900910), (15, 5520728), (20, 4140546), (24, 3450455), (30, 2760364), (31, 2671320), (40, 2070273), (60, 1380182), (62, 1335660), (93, 890440), (113, 732840), (120, 690091), (124, 667830), (155, 534264), (186, 445220), (197, 420360), (226, 366420), (248, 333915), (310, 267132), (339, 244280), (372, 222610), (394, 210180), (452, 183210), (465, 178088), (565, 146568), (591, 140120), (620, 133566), (678, 122140), (744, 111305), (788, 105090), (904, 91605), (930, 89044), (985, 84072), (1130, 73284), (1182, 70060), (1240, 66783), (1356, 61070), (1576, 52545), (1695, 48856), (1860, 44522), (1970, 42036), (2260, 36642), (2364, 35030), (2712, 30535), (2955, 28024), (3390, 24428), (3503, 23640), (3720, 22261), (3940, 21018), (4520, 18321), (4728, 17515), (5910, 14012), (6107, 13560), (6780, 12214), (7006, 11820), (7880, 10509)]