78270780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1187}}^1$

素因数の和:1363

約数の個数: 96

約数和(自身を含む): 252274176

約数和(自身を除く): 174003396

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, 157, 210, 314, 420, 471, 628, 785, 942, 1099, 1187, 1570, 1884, 2198, 2355, 2374, 3140, 3297, 3561, 4396, 4710, 4748, 5495, 5935, 6594, 7122, 8309, 9420, 10990, 11870, 13188, 14244, 16485, 16618, 17805, 21980, 23740, 24927, 32970, 33236, 35610, 41545, 49854, 65940, 71220, 83090, 99708, 124635, 166180, 186359, 249270, 372718, 498540, 559077, 745436, 931795, 1118154, 1304513, 1863590, 2236308, 2609026, 2795385, 3727180, 3913539, 5218052, 5590770, 6522565, 7827078, 11181540, 13045130, 15654156, 19567695, 26090260, 39135390, 78270780]

約数ペア:

[(1, 78270780), (2, 39135390), (3, 26090260), (4, 19567695), (5, 15654156), (6, 13045130), (7, 11181540), (10, 7827078), (12, 6522565), (14, 5590770), (15, 5218052), (20, 3913539), (21, 3727180), (28, 2795385), (30, 2609026), (35, 2236308), (42, 1863590), (60, 1304513), (70, 1118154), (84, 931795), (105, 745436), (140, 559077), (157, 498540), (210, 372718), (314, 249270), (420, 186359), (471, 166180), (628, 124635), (785, 99708), (942, 83090), (1099, 71220), (1187, 65940), (1570, 49854), (1884, 41545), (2198, 35610), (2355, 33236), (2374, 32970), (3140, 24927), (3297, 23740), (3561, 21980), (4396, 17805), (4710, 16618), (4748, 16485), (5495, 14244), (5935, 13188), (6594, 11870), (7122, 10990), (8309, 9420)]