251259720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20731}}^1$

素因数の和:20846

約数の個数: 64

約数和(自身を含む): 761279040

約数和(自身を除く): 510019320

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, 6060, 12120, 20731, 41462, 62193, 82924, 103655, 124386, 165848, 207310, 248772, 310965, 414620, 497544, 621930, 829240, 1243860, 2093831, 2487720, 4187662, 6281493, 8375324, 10469155, 12562986, 16750648, 20938310, 25125972, 31407465, 41876620, 50251944, 62814930, 83753240, 125629860, 251259720]

約数ペア:

[(1, 251259720), (2, 125629860), (3, 83753240), (4, 62814930), (5, 50251944), (6, 41876620), (8, 31407465), (10, 25125972), (12, 20938310), (15, 16750648), (20, 12562986), (24, 10469155), (30, 8375324), (40, 6281493), (60, 4187662), (101, 2487720), (120, 2093831), (202, 1243860), (303, 829240), (404, 621930), (505, 497544), (606, 414620), (808, 310965), (1010, 248772), (1212, 207310), (1515, 165848), (2020, 124386), (2424, 103655), (3030, 82924), (4040, 62193), (6060, 41462), (12120, 20731)]