78744840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3331}}^1$

素因数の和:3542

約数の個数: 64

約数和(自身を含む): 237504960

約数和(自身を除く): 158760120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3331, 3940, 4728, 5910, 6662, 7880, 9993, 11820, 13324, 16655, 19986, 23640, 26648, 33310, 39972, 49965, 66620, 79944, 99930, 133240, 199860, 399720, 656207, 1312414, 1968621, 2624828, 3281035, 3937242, 5249656, 6562070, 7874484, 9843105, 13124140, 15748968, 19686210, 26248280, 39372420, 78744840]

約数ペア:

[(1, 78744840), (2, 39372420), (3, 26248280), (4, 19686210), (5, 15748968), (6, 13124140), (8, 9843105), (10, 7874484), (12, 6562070), (15, 5249656), (20, 3937242), (24, 3281035), (30, 2624828), (40, 1968621), (60, 1312414), (120, 656207), (197, 399720), (394, 199860), (591, 133240), (788, 99930), (985, 79944), (1182, 66620), (1576, 49965), (1970, 39972), (2364, 33310), (2955, 26648), (3331, 23640), (3940, 19986), (4728, 16655), (5910, 13324), (6662, 11820), (7880, 9993)]