39947220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7159}}^1$

素因数の和:7205

約数の個数: 72

約数和(自身を含む): 125099520

約数和(自身を除く): 85152300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 7159, 14318, 21477, 28636, 35795, 42954, 64431, 71590, 85908, 107385, 128862, 143180, 214770, 221929, 257724, 322155, 429540, 443858, 644310, 665787, 887716, 1109645, 1288620, 1331574, 1997361, 2219290, 2663148, 3328935, 3994722, 4438580, 6657870, 7989444, 9986805, 13315740, 19973610, 39947220]

約数ペア:

[(1, 39947220), (2, 19973610), (3, 13315740), (4, 9986805), (5, 7989444), (6, 6657870), (9, 4438580), (10, 3994722), (12, 3328935), (15, 2663148), (18, 2219290), (20, 1997361), (30, 1331574), (31, 1288620), (36, 1109645), (45, 887716), (60, 665787), (62, 644310), (90, 443858), (93, 429540), (124, 322155), (155, 257724), (180, 221929), (186, 214770), (279, 143180), (310, 128862), (372, 107385), (465, 85908), (558, 71590), (620, 64431), (930, 42954), (1116, 35795), (1395, 28636), (1860, 21477), (2790, 14318), (5580, 7159)]