644062080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{335449}}^1$

素因数の和:335471

約数の個数: 64

約数和(自身を含む): 2052954000

約数和(自身を除く): 1408891920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 335449, 670898, 1006347, 1341796, 1677245, 2012694, 2683592, 3354490, 4025388, 5031735, 5367184, 6708980, 8050776, 10063470, 10734368, 13417960, 16101552, 20126940, 21468736, 26835920, 32203104, 40253880, 42937472, 53671840, 64406208, 80507760, 107343680, 128812416, 161015520, 214687360, 322031040, 644062080]

約数ペア:

[(1, 644062080), (2, 322031040), (3, 214687360), (4, 161015520), (5, 128812416), (6, 107343680), (8, 80507760), (10, 64406208), (12, 53671840), (15, 42937472), (16, 40253880), (20, 32203104), (24, 26835920), (30, 21468736), (32, 20126940), (40, 16101552), (48, 13417960), (60, 10734368), (64, 10063470), (80, 8050776), (96, 6708980), (120, 5367184), (128, 5031735), (160, 4025388), (192, 3354490), (240, 2683592), (320, 2012694), (384, 1677245), (480, 1341796), (640, 1006347), (960, 670898), (1920, 335449)]