68315780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2551}}^1$

素因数の和:2676

約数の個数: 48

約数和(自身を含む): 156059904

約数和(自身を除く): 87744124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2551, 2678, 5102, 5356, 6695, 10204, 12755, 13390, 25510, 26780, 33163, 51020, 66326, 132652, 165815, 262753, 331630, 525506, 663260, 1051012, 1313765, 2627530, 3415789, 5255060, 6831578, 13663156, 17078945, 34157890, 68315780]

約数ペア:

[(1, 68315780), (2, 34157890), (4, 17078945), (5, 13663156), (10, 6831578), (13, 5255060), (20, 3415789), (26, 2627530), (52, 1313765), (65, 1051012), (103, 663260), (130, 525506), (206, 331630), (260, 262753), (412, 165815), (515, 132652), (1030, 66326), (1339, 51020), (2060, 33163), (2551, 26780), (2678, 25510), (5102, 13390), (5356, 12755), (6695, 10204)]