254449440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{25243}}^1$

素因数の和:25271

約数の個数: 144

約数和(自身を含む): 992392128

約数和(自身を除く): 737942688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 25243, 50486, 75729, 100972, 126215, 151458, 176701, 201944, 227187, 252430, 302916, 353402, 378645, 403888, 454374, 504860, 530103, 605832, 706804, 757290, 807776, 883505, 908748, 1009720, 1060206, 1135935, 1211664, 1413608, 1514580, 1590309, 1767010, 1817496, 2019440, 2120412, 2271870, 2423328, 2650515, 2827216, 3029160, 3180618, 3534020, 3634992, 4038880, 4240824, 4543740, 5301030, 5654432, 6058320, 6361236, 7068040, 7269984, 7951545, 8481648, 9087480, 10602060, 12116640, 12722472, 14136080, 15903090, 16963296, 18174960, 21204120, 25444944, 28272160, 31806180, 36349920, 42408240, 50889888, 63612360, 84816480, 127224720, 254449440]

約数ペア:

[(1, 254449440), (2, 127224720), (3, 84816480), (4, 63612360), (5, 50889888), (6, 42408240), (7, 36349920), (8, 31806180), (9, 28272160), (10, 25444944), (12, 21204120), (14, 18174960), (15, 16963296), (16, 15903090), (18, 14136080), (20, 12722472), (21, 12116640), (24, 10602060), (28, 9087480), (30, 8481648), (32, 7951545), (35, 7269984), (36, 7068040), (40, 6361236), (42, 6058320), (45, 5654432), (48, 5301030), (56, 4543740), (60, 4240824), (63, 4038880), (70, 3634992), (72, 3534020), (80, 3180618), (84, 3029160), (90, 2827216), (96, 2650515), (105, 2423328), (112, 2271870), (120, 2120412), (126, 2019440), (140, 1817496), (144, 1767010), (160, 1590309), (168, 1514580), (180, 1413608), (210, 1211664), (224, 1135935), (240, 1060206), (252, 1009720), (280, 908748), (288, 883505), (315, 807776), (336, 757290), (360, 706804), (420, 605832), (480, 530103), (504, 504860), (560, 454374), (630, 403888), (672, 378645), (720, 353402), (840, 302916), (1008, 252430), (1120, 227187), (1260, 201944), (1440, 176701), (1680, 151458), (2016, 126215), (2520, 100972), (3360, 75729), (5040, 50486), (10080, 25243)]