64883760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{661}}^1$

素因数の和:1086

約数の個数: 80

約数和(自身を含む): 201936480

約数和(自身を除く): 137052720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 409, 661, 818, 1227, 1322, 1636, 1983, 2045, 2454, 2644, 3272, 3305, 3966, 4090, 4908, 5288, 6135, 6544, 6610, 7932, 8180, 9816, 9915, 10576, 12270, 13220, 15864, 16360, 19632, 19830, 24540, 26440, 31728, 32720, 39660, 49080, 52880, 79320, 98160, 158640, 270349, 540698, 811047, 1081396, 1351745, 1622094, 2162792, 2703490, 3244188, 4055235, 4325584, 5406980, 6488376, 8110470, 10813960, 12976752, 16220940, 21627920, 32441880, 64883760]

約数ペア:

[(1, 64883760), (2, 32441880), (3, 21627920), (4, 16220940), (5, 12976752), (6, 10813960), (8, 8110470), (10, 6488376), (12, 5406980), (15, 4325584), (16, 4055235), (20, 3244188), (24, 2703490), (30, 2162792), (40, 1622094), (48, 1351745), (60, 1081396), (80, 811047), (120, 540698), (240, 270349), (409, 158640), (661, 98160), (818, 79320), (1227, 52880), (1322, 49080), (1636, 39660), (1983, 32720), (2045, 31728), (2454, 26440), (2644, 24540), (3272, 19830), (3305, 19632), (3966, 16360), (4090, 15864), (4908, 13220), (5288, 12270), (6135, 10576), (6544, 9915), (6610, 9816), (7932, 8180)]