320755260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16249}}^1$

素因数の和:16315

約数の個数: 96

約数和(自身を含む): 1048320000

約数和(自身を除く): 727564740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1645, 1974, 2820, 3290, 3948, 4935, 6580, 9870, 16249, 19740, 32498, 48747, 64996, 81245, 97494, 113743, 162490, 194988, 227486, 243735, 324980, 341229, 454972, 487470, 568715, 682458, 763703, 974940, 1137430, 1364916, 1527406, 1706145, 2274860, 2291109, 3054812, 3412290, 3818515, 4582218, 5345921, 6824580, 7637030, 9164436, 10691842, 11455545, 15274060, 16037763, 21383684, 22911090, 26729605, 32075526, 45822180, 53459210, 64151052, 80188815, 106918420, 160377630, 320755260]

約数ペア:

[(1, 320755260), (2, 160377630), (3, 106918420), (4, 80188815), (5, 64151052), (6, 53459210), (7, 45822180), (10, 32075526), (12, 26729605), (14, 22911090), (15, 21383684), (20, 16037763), (21, 15274060), (28, 11455545), (30, 10691842), (35, 9164436), (42, 7637030), (47, 6824580), (60, 5345921), (70, 4582218), (84, 3818515), (94, 3412290), (105, 3054812), (140, 2291109), (141, 2274860), (188, 1706145), (210, 1527406), (235, 1364916), (282, 1137430), (329, 974940), (420, 763703), (470, 682458), (564, 568715), (658, 487470), (705, 454972), (940, 341229), (987, 324980), (1316, 243735), (1410, 227486), (1645, 194988), (1974, 162490), (2820, 113743), (3290, 97494), (3948, 81245), (4935, 64996), (6580, 48747), (9870, 32498), (16249, 19740)]