68960018320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1\times {\mathrm{21673}}^1$

素因数の和:23000

約数の個数: 80

約数和(自身を含む): 165640684032

約数和(自身を除く): 96680665712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1283, 2480, 2566, 5132, 6415, 10264, 12830, 20528, 21673, 25660, 39773, 43346, 51320, 79546, 86692, 102640, 108365, 159092, 173384, 198865, 216730, 318184, 346768, 397730, 433460, 636368, 671863, 795460, 866920, 1343726, 1590920, 1733840, 2687452, 3181840, 3359315, 5374904, 6718630, 10749808, 13437260, 26874520, 27806459, 53749040, 55612918, 111225836, 139032295, 222451672, 278064590, 444903344, 556129180, 862000229, 1112258360, 1724000458, 2224516720, 3448000916, 4310001145, 6896001832, 8620002290, 13792003664, 17240004580, 34480009160, 68960018320]

約数ペア:

[(1, 68960018320), (2, 34480009160), (4, 17240004580), (5, 13792003664), (8, 8620002290), (10, 6896001832), (16, 4310001145), (20, 3448000916), (31, 2224516720), (40, 1724000458), (62, 1112258360), (80, 862000229), (124, 556129180), (155, 444903344), (248, 278064590), (310, 222451672), (496, 139032295), (620, 111225836), (1240, 55612918), (1283, 53749040), (2480, 27806459), (2566, 26874520), (5132, 13437260), (6415, 10749808), (10264, 6718630), (12830, 5374904), (20528, 3359315), (21673, 3181840), (25660, 2687452), (39773, 1733840), (43346, 1590920), (51320, 1343726), (79546, 866920), (86692, 795460), (102640, 671863), (108365, 636368), (159092, 433460), (173384, 397730), (198865, 346768), (216730, 318184)]