90705960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{83987}}^1$

素因数の和:84007

約数の個数: 64

約数和(自身を含む): 302356800

約数和(自身を除く): 211650840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 83987, 167974, 251961, 335948, 419935, 503922, 671896, 755883, 839870, 1007844, 1259805, 1511766, 1679740, 2015688, 2267649, 2519610, 3023532, 3359480, 3779415, 4535298, 5039220, 6047064, 7558830, 9070596, 10078440, 11338245, 15117660, 18141192, 22676490, 30235320, 45352980, 90705960]

約数ペア:

[(1, 90705960), (2, 45352980), (3, 30235320), (4, 22676490), (5, 18141192), (6, 15117660), (8, 11338245), (9, 10078440), (10, 9070596), (12, 7558830), (15, 6047064), (18, 5039220), (20, 4535298), (24, 3779415), (27, 3359480), (30, 3023532), (36, 2519610), (40, 2267649), (45, 2015688), (54, 1679740), (60, 1511766), (72, 1259805), (90, 1007844), (108, 839870), (120, 755883), (135, 671896), (180, 503922), (216, 419935), (270, 335948), (360, 251961), (540, 167974), (1080, 83987)]