80948070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{128489}}^1$

素因数の和:128509

約数の個数: 48

約数和(自身を含む): 240533280

約数和(自身を除く): 159585210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 128489, 256978, 385467, 642445, 770934, 899423, 1156401, 1284890, 1798846, 1927335, 2312802, 2698269, 3854670, 4497115, 5396538, 5782005, 8094807, 8994230, 11564010, 13491345, 16189614, 26982690, 40474035, 80948070]

約数ペア:

[(1, 80948070), (2, 40474035), (3, 26982690), (5, 16189614), (6, 13491345), (7, 11564010), (9, 8994230), (10, 8094807), (14, 5782005), (15, 5396538), (18, 4497115), (21, 3854670), (30, 2698269), (35, 2312802), (42, 1927335), (45, 1798846), (63, 1284890), (70, 1156401), (90, 899423), (105, 770934), (126, 642445), (210, 385467), (315, 256978), (630, 128489)]