313522020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{248827}}^1$

素因数の和:248849

約数の個数: 72

約数和(自身を含む): 1086880704

約数和(自身を除く): 773358684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 248827, 497654, 746481, 995308, 1244135, 1492962, 1741789, 2239443, 2488270, 2985924, 3483578, 3732405, 4478886, 4976540, 5225367, 6967156, 7464810, 8708945, 8957772, 10450734, 11197215, 14929620, 15676101, 17417890, 20901468, 22394430, 26126835, 31352202, 34835780, 44788860, 52253670, 62704404, 78380505, 104507340, 156761010, 313522020]

約数ペア:

[(1, 313522020), (2, 156761010), (3, 104507340), (4, 78380505), (5, 62704404), (6, 52253670), (7, 44788860), (9, 34835780), (10, 31352202), (12, 26126835), (14, 22394430), (15, 20901468), (18, 17417890), (20, 15676101), (21, 14929620), (28, 11197215), (30, 10450734), (35, 8957772), (36, 8708945), (42, 7464810), (45, 6967156), (60, 5225367), (63, 4976540), (70, 4478886), (84, 3732405), (90, 3483578), (105, 2985924), (126, 2488270), (140, 2239443), (180, 1741789), (210, 1492962), (252, 1244135), (315, 995308), (420, 746481), (630, 497654), (1260, 248827)]