82686660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{196873}}^1$

素因数の和:196892

約数の個数: 48

約数和(自身を含む): 264598656

約数和(自身を除く): 181911996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 196873, 393746, 590619, 787492, 984365, 1181238, 1378111, 1968730, 2362476, 2756222, 2953095, 3937460, 4134333, 5512444, 5906190, 6890555, 8268666, 11812380, 13781110, 16537332, 20671665, 27562220, 41343330, 82686660]

約数ペア:

[(1, 82686660), (2, 41343330), (3, 27562220), (4, 20671665), (5, 16537332), (6, 13781110), (7, 11812380), (10, 8268666), (12, 6890555), (14, 5906190), (15, 5512444), (20, 4134333), (21, 3937460), (28, 2953095), (30, 2756222), (35, 2362476), (42, 1968730), (60, 1378111), (70, 1181238), (84, 984365), (105, 787492), (140, 590619), (210, 393746), (420, 196873)]