16851660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40123}}^1$

素因数の和:40142

約数の個数: 48

約数和(自身を含む): 53926656

約数和(自身を除く): 37074996

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, 40123, 80246, 120369, 160492, 200615, 240738, 280861, 401230, 481476, 561722, 601845, 802460, 842583, 1123444, 1203690, 1404305, 1685166, 2407380, 2808610, 3370332, 4212915, 5617220, 8425830, 16851660]

約数ペア:

[(1, 16851660), (2, 8425830), (3, 5617220), (4, 4212915), (5, 3370332), (6, 2808610), (7, 2407380), (10, 1685166), (12, 1404305), (14, 1203690), (15, 1123444), (20, 842583), (21, 802460), (28, 601845), (30, 561722), (35, 481476), (42, 401230), (60, 280861), (70, 240738), (84, 200615), (105, 160492), (140, 120369), (210, 80246), (420, 40123)]