31354640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 77137920

約数和(自身を除く): 45783280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 269, 310, 376, 470, 496, 538, 620, 752, 940, 1076, 1240, 1345, 1457, 1880, 2152, 2480, 2690, 2914, 3760, 4304, 5380, 5828, 7285, 8339, 10760, 11656, 12643, 14570, 16678, 21520, 23312, 25286, 29140, 33356, 41695, 50572, 58280, 63215, 66712, 83390, 101144, 116560, 126430, 133424, 166780, 202288, 252860, 333560, 391933, 505720, 667120, 783866, 1011440, 1567732, 1959665, 3135464, 3919330, 6270928, 7838660, 15677320, 31354640]

約数ペア:

[(1, 31354640), (2, 15677320), (4, 7838660), (5, 6270928), (8, 3919330), (10, 3135464), (16, 1959665), (20, 1567732), (31, 1011440), (40, 783866), (47, 667120), (62, 505720), (80, 391933), (94, 333560), (124, 252860), (155, 202288), (188, 166780), (235, 133424), (248, 126430), (269, 116560), (310, 101144), (376, 83390), (470, 66712), (496, 63215), (538, 58280), (620, 50572), (752, 41695), (940, 33356), (1076, 29140), (1240, 25286), (1345, 23312), (1457, 21520), (1880, 16678), (2152, 14570), (2480, 12643), (2690, 11656), (2914, 10760), (3760, 8339), (4304, 7285), (5380, 5828)]