68238440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 160220160

約数和(自身を除く): 91981720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 226, 248, 310, 452, 487, 565, 620, 904, 974, 1130, 1240, 1948, 2260, 2435, 3503, 3896, 4520, 4870, 7006, 9740, 14012, 15097, 17515, 19480, 28024, 30194, 35030, 55031, 60388, 70060, 75485, 110062, 120776, 140120, 150970, 220124, 275155, 301940, 440248, 550310, 603880, 1100620, 1705961, 2201240, 3411922, 6823844, 8529805, 13647688, 17059610, 34119220, 68238440]

約数ペア:

[(1, 68238440), (2, 34119220), (4, 17059610), (5, 13647688), (8, 8529805), (10, 6823844), (20, 3411922), (31, 2201240), (40, 1705961), (62, 1100620), (113, 603880), (124, 550310), (155, 440248), (226, 301940), (248, 275155), (310, 220124), (452, 150970), (487, 140120), (565, 120776), (620, 110062), (904, 75485), (974, 70060), (1130, 60388), (1240, 55031), (1948, 35030), (2260, 30194), (2435, 28024), (3503, 19480), (3896, 17515), (4520, 15097), (4870, 14012), (7006, 9740)]