8020404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{103}}^2$

素因数の和:226

約数の個数: 72

約数和(自身を含む): 23997120

約数和(自身を除く): 15976716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 103, 108, 126, 189, 206, 252, 309, 378, 412, 618, 721, 756, 927, 1236, 1442, 1854, 2163, 2781, 2884, 3708, 4326, 5562, 6489, 8652, 10609, 11124, 12978, 19467, 21218, 25956, 31827, 38934, 42436, 63654, 74263, 77868, 95481, 127308, 148526, 190962, 222789, 286443, 297052, 381924, 445578, 572886, 668367, 891156, 1145772, 1336734, 2005101, 2673468, 4010202, 8020404]

約数ペア:

[(1, 8020404), (2, 4010202), (3, 2673468), (4, 2005101), (6, 1336734), (7, 1145772), (9, 891156), (12, 668367), (14, 572886), (18, 445578), (21, 381924), (27, 297052), (28, 286443), (36, 222789), (42, 190962), (54, 148526), (63, 127308), (84, 95481), (103, 77868), (108, 74263), (126, 63654), (189, 42436), (206, 38934), (252, 31827), (309, 25956), (378, 21218), (412, 19467), (618, 12978), (721, 11124), (756, 10609), (927, 8652), (1236, 6489), (1442, 5562), (1854, 4326), (2163, 3708), (2781, 2884)]