65838640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1430

約数の個数: 80

約数和(自身を含む): 177042240

約数和(自身を除く): 111203600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1321, 1424, 1780, 2492, 2642, 3115, 3560, 4984, 5284, 6230, 6605, 7120, 9247, 9968, 10568, 12460, 13210, 18494, 21136, 24920, 26420, 36988, 46235, 49840, 52840, 73976, 92470, 105680, 117569, 147952, 184940, 235138, 369880, 470276, 587845, 739760, 822983, 940552, 1175690, 1645966, 1881104, 2351380, 3291932, 4114915, 4702760, 6583864, 8229830, 9405520, 13167728, 16459660, 32919320, 65838640]

約数ペア:

[(1, 65838640), (2, 32919320), (4, 16459660), (5, 13167728), (7, 9405520), (8, 8229830), (10, 6583864), (14, 4702760), (16, 4114915), (20, 3291932), (28, 2351380), (35, 1881104), (40, 1645966), (56, 1175690), (70, 940552), (80, 822983), (89, 739760), (112, 587845), (140, 470276), (178, 369880), (280, 235138), (356, 184940), (445, 147952), (560, 117569), (623, 105680), (712, 92470), (890, 73976), (1246, 52840), (1321, 49840), (1424, 46235), (1780, 36988), (2492, 26420), (2642, 24920), (3115, 21136), (3560, 18494), (4984, 13210), (5284, 12460), (6230, 10568), (6605, 9968), (7120, 9247)]