31059520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 84

約数和(自身を含む): 77179932

約数和(自身を除く): 46120412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 155, 160, 202, 248, 310, 320, 404, 496, 505, 620, 808, 961, 992, 1010, 1240, 1616, 1922, 1984, 2020, 2480, 3131, 3232, 3844, 4040, 4805, 4960, 6262, 6464, 7688, 8080, 9610, 9920, 12524, 15376, 15655, 16160, 19220, 25048, 30752, 31310, 32320, 38440, 50096, 61504, 62620, 76880, 97061, 100192, 125240, 153760, 194122, 200384, 250480, 307520, 388244, 485305, 500960, 776488, 970610, 1001920, 1552976, 1941220, 3105952, 3882440, 6211904, 7764880, 15529760, 31059520]

約数ペア:

[(1, 31059520), (2, 15529760), (4, 7764880), (5, 6211904), (8, 3882440), (10, 3105952), (16, 1941220), (20, 1552976), (31, 1001920), (32, 970610), (40, 776488), (62, 500960), (64, 485305), (80, 388244), (101, 307520), (124, 250480), (155, 200384), (160, 194122), (202, 153760), (248, 125240), (310, 100192), (320, 97061), (404, 76880), (496, 62620), (505, 61504), (620, 50096), (808, 38440), (961, 32320), (992, 31310), (1010, 30752), (1240, 25048), (1616, 19220), (1922, 16160), (1984, 15655), (2020, 15376), (2480, 12524), (3131, 9920), (3232, 9610), (3844, 8080), (4040, 7688), (4805, 6464), (4960, 6262)]