77971560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{983}}^1$

素因数の和:1658

約数の個数: 64

約数和(自身を含む): 234506880

約数和(自身を除く): 156535320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 661, 983, 1322, 1966, 1983, 2644, 2949, 3305, 3932, 3966, 4915, 5288, 5898, 6610, 7864, 7932, 9830, 9915, 11796, 13220, 14745, 15864, 19660, 19830, 23592, 26440, 29490, 39320, 39660, 58980, 79320, 117960, 649763, 1299526, 1949289, 2599052, 3248815, 3898578, 5198104, 6497630, 7797156, 9746445, 12995260, 15594312, 19492890, 25990520, 38985780, 77971560]

約数ペア:

[(1, 77971560), (2, 38985780), (3, 25990520), (4, 19492890), (5, 15594312), (6, 12995260), (8, 9746445), (10, 7797156), (12, 6497630), (15, 5198104), (20, 3898578), (24, 3248815), (30, 2599052), (40, 1949289), (60, 1299526), (120, 649763), (661, 117960), (983, 79320), (1322, 58980), (1966, 39660), (1983, 39320), (2644, 29490), (2949, 26440), (3305, 23592), (3932, 19830), (3966, 19660), (4915, 15864), (5288, 14745), (5898, 13220), (6610, 11796), (7864, 9915), (7932, 9830)]