51279720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4231}}^1$

素因数の和:4346

約数の個数: 64

約数和(自身を含む): 155399040

約数和(自身を除く): 104119320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 4231, 6060, 8462, 12120, 12693, 16924, 21155, 25386, 33848, 42310, 50772, 63465, 84620, 101544, 126930, 169240, 253860, 427331, 507720, 854662, 1281993, 1709324, 2136655, 2563986, 3418648, 4273310, 5127972, 6409965, 8546620, 10255944, 12819930, 17093240, 25639860, 51279720]

約数ペア:

[(1, 51279720), (2, 25639860), (3, 17093240), (4, 12819930), (5, 10255944), (6, 8546620), (8, 6409965), (10, 5127972), (12, 4273310), (15, 3418648), (20, 2563986), (24, 2136655), (30, 1709324), (40, 1281993), (60, 854662), (101, 507720), (120, 427331), (202, 253860), (303, 169240), (404, 126930), (505, 101544), (606, 84620), (808, 63465), (1010, 50772), (1212, 42310), (1515, 33848), (2020, 25386), (2424, 21155), (3030, 16924), (4040, 12693), (4231, 12120), (6060, 8462)]