2681190

素因数分解:

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

素因数の和:106

約数の個数: 48

約数和(自身を含む): 7203456

約数和(自身を除く): 4522266

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 961, 1395, 1922, 2790, 2883, 4805, 5766, 8649, 9610, 14415, 17298, 28830, 29791, 43245, 59582, 86490, 89373, 148955, 178746, 268119, 297910, 446865, 536238, 893730, 1340595, 2681190]

約数ペア:

[(1, 2681190), (2, 1340595), (3, 893730), (5, 536238), (6, 446865), (9, 297910), (10, 268119), (15, 178746), (18, 148955), (30, 89373), (31, 86490), (45, 59582), (62, 43245), (90, 29791), (93, 28830), (155, 17298), (186, 14415), (279, 9610), (310, 8649), (465, 5766), (558, 4805), (930, 2883), (961, 2790), (1395, 1922)]