9815220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1805

約数の個数: 72

約数和(自身を含む): 30750720

約数和(自身を除く): 20935500

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, 1759, 1860, 2790, 3518, 5277, 5580, 7036, 8795, 10554, 15831, 17590, 21108, 26385, 31662, 35180, 52770, 54529, 63324, 79155, 105540, 109058, 158310, 163587, 218116, 272645, 316620, 327174, 490761, 545290, 654348, 817935, 981522, 1090580, 1635870, 1963044, 2453805, 3271740, 4907610, 9815220]

約数ペア:

[(1, 9815220), (2, 4907610), (3, 3271740), (4, 2453805), (5, 1963044), (6, 1635870), (9, 1090580), (10, 981522), (12, 817935), (15, 654348), (18, 545290), (20, 490761), (30, 327174), (31, 316620), (36, 272645), (45, 218116), (60, 163587), (62, 158310), (90, 109058), (93, 105540), (124, 79155), (155, 63324), (180, 54529), (186, 52770), (279, 35180), (310, 31662), (372, 26385), (465, 21108), (558, 17590), (620, 15831), (930, 10554), (1116, 8795), (1395, 7036), (1759, 5580), (1860, 5277), (2790, 3518)]