320802495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 627056640

約数和(自身を除く): 306254145

約数列:

[1, 3, 5, 13, 15, 17, 29, 39, 47, 51, 65, 71, 85, 87, 141, 145, 195, 213, 221, 235, 255, 355, 377, 435, 493, 611, 663, 705, 799, 923, 1065, 1105, 1131, 1207, 1363, 1479, 1833, 1885, 2059, 2397, 2465, 2769, 3055, 3315, 3337, 3621, 3995, 4089, 4615, 5655, 6035, 6177, 6409, 6815, 7395, 9165, 10011, 10295, 10387, 11985, 13845, 15691, 16685, 17719, 18105, 19227, 20445, 23171, 26767, 30885, 31161, 32045, 35003, 43381, 47073, 50055, 51935, 53157, 56729, 69513, 78455, 80301, 88595, 96135, 96773, 105009, 115855, 130143, 133835, 155805, 170187, 175015, 216905, 235365, 265785, 283645, 290319, 301223, 347565, 401505, 455039, 483865, 525045, 650715, 737477, 850935, 903669, 1258049, 1365117, 1451595, 1506115, 1645141, 2212431, 2275195, 3687385, 3774147, 4518345, 4935423, 6290245, 6825585, 8225705, 11062155, 18870735, 21386833, 24677115, 64160499, 106934165, 320802495]

約数ペア:

[(1, 320802495), (3, 106934165), (5, 64160499), (13, 24677115), (15, 21386833), (17, 18870735), (29, 11062155), (39, 8225705), (47, 6825585), (51, 6290245), (65, 4935423), (71, 4518345), (85, 3774147), (87, 3687385), (141, 2275195), (145, 2212431), (195, 1645141), (213, 1506115), (221, 1451595), (235, 1365117), (255, 1258049), (355, 903669), (377, 850935), (435, 737477), (493, 650715), (611, 525045), (663, 483865), (705, 455039), (799, 401505), (923, 347565), (1065, 301223), (1105, 290319), (1131, 283645), (1207, 265785), (1363, 235365), (1479, 216905), (1833, 175015), (1885, 170187), (2059, 155805), (2397, 133835), (2465, 130143), (2769, 115855), (3055, 105009), (3315, 96773), (3337, 96135), (3621, 88595), (3995, 80301), (4089, 78455), (4615, 69513), (5655, 56729), (6035, 53157), (6177, 51935), (6409, 50055), (6815, 47073), (7395, 43381), (9165, 35003), (10011, 32045), (10295, 31161), (10387, 30885), (11985, 26767), (13845, 23171), (15691, 20445), (16685, 19227), (17719, 18105)]