64720704

素因数分解:

$2^6\times 3^1\times {\mathrm{521}}^1\times {\mathrm{647}}^1$

素因数の和:1183

約数の個数: 56

約数和(自身を含む): 171834048

約数和(自身を除く): 107113344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 521, 647, 1042, 1294, 1563, 1941, 2084, 2588, 3126, 3882, 4168, 5176, 6252, 7764, 8336, 10352, 12504, 15528, 16672, 20704, 25008, 31056, 33344, 41408, 50016, 62112, 100032, 124224, 337087, 674174, 1011261, 1348348, 2022522, 2696696, 4045044, 5393392, 8090088, 10786784, 16180176, 21573568, 32360352, 64720704]

約数ペア:

[(1, 64720704), (2, 32360352), (3, 21573568), (4, 16180176), (6, 10786784), (8, 8090088), (12, 5393392), (16, 4045044), (24, 2696696), (32, 2022522), (48, 1348348), (64, 1011261), (96, 674174), (192, 337087), (521, 124224), (647, 100032), (1042, 62112), (1294, 50016), (1563, 41408), (1941, 33344), (2084, 31056), (2588, 25008), (3126, 20704), (3882, 16672), (4168, 15528), (5176, 12504), (6252, 10352), (7764, 8336)]