245701260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1789}}^1$

素因数の和:1920

約数の個数: 144

約数和(自身を含む): 860059200

約数和(自身を除く): 614357940

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, 109, 126, 140, 180, 210, 218, 252, 315, 327, 420, 436, 545, 630, 654, 763, 981, 1090, 1260, 1308, 1526, 1635, 1789, 1962, 2180, 2289, 3052, 3270, 3578, 3815, 3924, 4578, 4905, 5367, 6540, 6867, 7156, 7630, 8945, 9156, 9810, 10734, 11445, 12523, 13734, 15260, 16101, 17890, 19620, 21468, 22890, 25046, 26835, 27468, 32202, 34335, 35780, 37569, 45780, 50092, 53670, 62615, 64404, 68670, 75138, 80505, 107340, 112707, 125230, 137340, 150276, 161010, 187845, 195001, 225414, 250460, 322020, 375690, 390002, 450828, 563535, 585003, 751380, 780004, 975005, 1127070, 1170006, 1365007, 1755009, 1950010, 2254140, 2340012, 2730014, 2925015, 3510018, 3900020, 4095021, 5460028, 5850030, 6825035, 7020036, 8190042, 8775045, 11700060, 12285063, 13650070, 16380084, 17550090, 20475105, 24570126, 27300140, 35100180, 40950210, 49140252, 61425315, 81900420, 122850630, 245701260]

約数ペア:

[(1, 245701260), (2, 122850630), (3, 81900420), (4, 61425315), (5, 49140252), (6, 40950210), (7, 35100180), (9, 27300140), (10, 24570126), (12, 20475105), (14, 17550090), (15, 16380084), (18, 13650070), (20, 12285063), (21, 11700060), (28, 8775045), (30, 8190042), (35, 7020036), (36, 6825035), (42, 5850030), (45, 5460028), (60, 4095021), (63, 3900020), (70, 3510018), (84, 2925015), (90, 2730014), (105, 2340012), (109, 2254140), (126, 1950010), (140, 1755009), (180, 1365007), (210, 1170006), (218, 1127070), (252, 975005), (315, 780004), (327, 751380), (420, 585003), (436, 563535), (545, 450828), (630, 390002), (654, 375690), (763, 322020), (981, 250460), (1090, 225414), (1260, 195001), (1308, 187845), (1526, 161010), (1635, 150276), (1789, 137340), (1962, 125230), (2180, 112707), (2289, 107340), (3052, 80505), (3270, 75138), (3578, 68670), (3815, 64404), (3924, 62615), (4578, 53670), (4905, 50092), (5367, 45780), (6540, 37569), (6867, 35780), (7156, 34335), (7630, 32202), (8945, 27468), (9156, 26835), (9810, 25046), (10734, 22890), (11445, 21468), (12523, 19620), (13734, 17890), (15260, 16101)]