64981920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:758

約数の個数: 96

約数和(自身を含む): 205813440

約数和(自身を除く): 140831520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 331, 409, 480, 662, 818, 993, 1227, 1324, 1636, 1655, 1986, 2045, 2454, 2648, 3272, 3310, 3972, 4090, 4908, 4965, 5296, 6135, 6544, 6620, 7944, 8180, 9816, 9930, 10592, 12270, 13088, 13240, 15888, 16360, 19632, 19860, 24540, 26480, 31776, 32720, 39264, 39720, 49080, 52960, 65440, 79440, 98160, 135379, 158880, 196320, 270758, 406137, 541516, 676895, 812274, 1083032, 1353790, 1624548, 2030685, 2166064, 2707580, 3249096, 4061370, 4332128, 5415160, 6498192, 8122740, 10830320, 12996384, 16245480, 21660640, 32490960, 64981920]

約数ペア:

[(1, 64981920), (2, 32490960), (3, 21660640), (4, 16245480), (5, 12996384), (6, 10830320), (8, 8122740), (10, 6498192), (12, 5415160), (15, 4332128), (16, 4061370), (20, 3249096), (24, 2707580), (30, 2166064), (32, 2030685), (40, 1624548), (48, 1353790), (60, 1083032), (80, 812274), (96, 676895), (120, 541516), (160, 406137), (240, 270758), (331, 196320), (409, 158880), (480, 135379), (662, 98160), (818, 79440), (993, 65440), (1227, 52960), (1324, 49080), (1636, 39720), (1655, 39264), (1986, 32720), (2045, 31776), (2454, 26480), (2648, 24540), (3272, 19860), (3310, 19632), (3972, 16360), (4090, 15888), (4908, 13240), (4965, 13088), (5296, 12270), (6135, 10592), (6544, 9930), (6620, 9816), (7944, 8180)]