313209540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{248579}}^1$

素因数の和:248601

約数の個数: 72

約数和(自身を含む): 1085797440

約数和(自身を除く): 772587900

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, 248579, 497158, 745737, 994316, 1242895, 1491474, 1740053, 2237211, 2485790, 2982948, 3480106, 3728685, 4474422, 4971580, 5220159, 6960212, 7457370, 8700265, 8948844, 10440318, 11186055, 14914740, 15660477, 17400530, 20880636, 22372110, 26100795, 31320954, 34801060, 44744220, 52201590, 62641908, 78302385, 104403180, 156604770, 313209540]

約数ペア:

[(1, 313209540), (2, 156604770), (3, 104403180), (4, 78302385), (5, 62641908), (6, 52201590), (7, 44744220), (9, 34801060), (10, 31320954), (12, 26100795), (14, 22372110), (15, 20880636), (18, 17400530), (20, 15660477), (21, 14914740), (28, 11186055), (30, 10440318), (35, 8948844), (36, 8700265), (42, 7457370), (45, 6960212), (60, 5220159), (63, 4971580), (70, 4474422), (84, 3728685), (90, 3480106), (105, 2982948), (126, 2485790), (140, 2237211), (180, 1740053), (210, 1491474), (252, 1242895), (315, 994316), (420, 745737), (630, 497158), (1260, 248579)]