255499020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{202777}}^1$

素因数の和:202799

約数の個数: 72

約数和(自身を含む): 885734304

約数和(自身を除く): 630235284

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, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 202777, 405554, 608331, 811108, 1013885, 1216662, 1419439, 1824993, 2027770, 2433324, 2838878, 3041655, 3649986, 4055540, 4258317, 5677756, 6083310, 7097195, 7299972, 8516634, 9124965, 12166620, 12774951, 14194390, 17033268, 18249930, 21291585, 25549902, 28388780, 36499860, 42583170, 51099804, 63874755, 85166340, 127749510, 255499020]

約数ペア:

[(1, 255499020), (2, 127749510), (3, 85166340), (4, 63874755), (5, 51099804), (6, 42583170), (7, 36499860), (9, 28388780), (10, 25549902), (12, 21291585), (14, 18249930), (15, 17033268), (18, 14194390), (20, 12774951), (21, 12166620), (28, 9124965), (30, 8516634), (35, 7299972), (36, 7097195), (42, 6083310), (45, 5677756), (60, 4258317), (63, 4055540), (70, 3649986), (84, 3041655), (90, 2838878), (105, 2433324), (126, 2027770), (140, 1824993), (180, 1419439), (210, 1216662), (252, 1013885), (315, 811108), (420, 608331), (630, 405554), (1260, 202777)]