489782640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65831}}^1$

素因数の和:65878

約数の個数: 80

約数和(自身を含む): 1567328256

約数和(自身を除く): 1077545616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 65831, 131662, 197493, 263324, 329155, 394986, 526648, 658310, 789972, 987465, 1053296, 1316620, 1579944, 1974930, 2040761, 2633240, 3159888, 3949860, 4081522, 5266480, 6122283, 7899720, 8163044, 10203805, 12244566, 15799440, 16326088, 20407610, 24489132, 30611415, 32652176, 40815220, 48978264, 61222830, 81630440, 97956528, 122445660, 163260880, 244891320, 489782640]

約数ペア:

[(1, 489782640), (2, 244891320), (3, 163260880), (4, 122445660), (5, 97956528), (6, 81630440), (8, 61222830), (10, 48978264), (12, 40815220), (15, 32652176), (16, 30611415), (20, 24489132), (24, 20407610), (30, 16326088), (31, 15799440), (40, 12244566), (48, 10203805), (60, 8163044), (62, 7899720), (80, 6122283), (93, 5266480), (120, 4081522), (124, 3949860), (155, 3159888), (186, 2633240), (240, 2040761), (248, 1974930), (310, 1579944), (372, 1316620), (465, 1053296), (496, 987465), (620, 789972), (744, 658310), (930, 526648), (1240, 394986), (1488, 329155), (1860, 263324), (2480, 197493), (3720, 131662), (7440, 65831)]