68511560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{367}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 166924800

約数和(自身を除く): 98413240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 359, 367, 520, 718, 734, 1436, 1468, 1795, 1835, 2872, 2936, 3590, 3670, 4667, 4771, 7180, 7340, 9334, 9542, 14360, 14680, 18668, 19084, 23335, 23855, 37336, 38168, 46670, 47710, 93340, 95420, 131753, 186680, 190840, 263506, 527012, 658765, 1054024, 1317530, 1712789, 2635060, 3425578, 5270120, 6851156, 8563945, 13702312, 17127890, 34255780, 68511560]

約数ペア:

[(1, 68511560), (2, 34255780), (4, 17127890), (5, 13702312), (8, 8563945), (10, 6851156), (13, 5270120), (20, 3425578), (26, 2635060), (40, 1712789), (52, 1317530), (65, 1054024), (104, 658765), (130, 527012), (260, 263506), (359, 190840), (367, 186680), (520, 131753), (718, 95420), (734, 93340), (1436, 47710), (1468, 46670), (1795, 38168), (1835, 37336), (2872, 23855), (2936, 23335), (3590, 19084), (3670, 18668), (4667, 14680), (4771, 14360), (7180, 9542), (7340, 9334)]