2480011520

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{39541}}^1$

素因数の和:39576

約数の個数: 108

約数和(自身を含む): 6910439004

約数和(自身を除く): 4430427484

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 8960, 12544, 15680, 31360, 39541, 62720, 79082, 158164, 197705, 276787, 316328, 395410, 553574, 632656, 790820, 1107148, 1265312, 1383935, 1581640, 1937509, 2214296, 2530624, 2767870, 3163280, 3875018, 4428592, 5061248, 5535740, 6326560, 7750036, 8857184, 9687545, 10122496, 11071480, 12653120, 15500072, 17714368, 19375090, 22142960, 25306240, 31000144, 35428736, 38750180, 44285920, 50612480, 62000288, 70857472, 77500360, 88571840, 124000576, 155000720, 177143680, 248001152, 310001440, 354287360, 496002304, 620002880, 1240005760, 2480011520]

約数ペア:

[(1, 2480011520), (2, 1240005760), (4, 620002880), (5, 496002304), (7, 354287360), (8, 310001440), (10, 248001152), (14, 177143680), (16, 155000720), (20, 124000576), (28, 88571840), (32, 77500360), (35, 70857472), (40, 62000288), (49, 50612480), (56, 44285920), (64, 38750180), (70, 35428736), (80, 31000144), (98, 25306240), (112, 22142960), (128, 19375090), (140, 17714368), (160, 15500072), (196, 12653120), (224, 11071480), (245, 10122496), (256, 9687545), (280, 8857184), (320, 7750036), (392, 6326560), (448, 5535740), (490, 5061248), (560, 4428592), (640, 3875018), (784, 3163280), (896, 2767870), (980, 2530624), (1120, 2214296), (1280, 1937509), (1568, 1581640), (1792, 1383935), (1960, 1265312), (2240, 1107148), (3136, 790820), (3920, 632656), (4480, 553574), (6272, 395410), (7840, 316328), (8960, 276787), (12544, 197705), (15680, 158164), (31360, 79082), (39541, 62720)]