66379720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2557}}^1$

素因数の和:2638

約数の個数: 64

約数和(自身を含む): 165758400

約数和(自身を除く): 99378680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 2360, 2557, 2596, 3245, 5114, 5192, 6490, 10228, 12785, 12980, 20456, 25570, 25960, 28127, 51140, 56254, 102280, 112508, 140635, 150863, 225016, 281270, 301726, 562540, 603452, 754315, 1125080, 1206904, 1508630, 1659493, 3017260, 3318986, 6034520, 6637972, 8297465, 13275944, 16594930, 33189860, 66379720]

約数ペア:

[(1, 66379720), (2, 33189860), (4, 16594930), (5, 13275944), (8, 8297465), (10, 6637972), (11, 6034520), (20, 3318986), (22, 3017260), (40, 1659493), (44, 1508630), (55, 1206904), (59, 1125080), (88, 754315), (110, 603452), (118, 562540), (220, 301726), (236, 281270), (295, 225016), (440, 150863), (472, 140635), (590, 112508), (649, 102280), (1180, 56254), (1298, 51140), (2360, 28127), (2557, 25960), (2596, 25570), (3245, 20456), (5114, 12980), (5192, 12785), (6490, 10228)]