251216640

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{2423}}^1$

素因数の和:2456

約数の個数: 180

約数和(自身を含む): 899270064

約数和(自身を除く): 648053424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2423, 2592, 2880, 3240, 3456, 3840, 4320, 4846, 5184, 5760, 6480, 6912, 7269, 8640, 9692, 10368, 11520, 12115, 12960, 14538, 17280, 19384, 20736, 21807, 24230, 25920, 29076, 34560, 36345, 38768, 43614, 48460, 51840, 58152, 65421, 72690, 77536, 87228, 96920, 103680, 109035, 116304, 130842, 145380, 155072, 174456, 193840, 196263, 218070, 232608, 261684, 290760, 310144, 327105, 348912, 387680, 392526, 436140, 465216, 523368, 581520, 620288, 654210, 697824, 775360, 785052, 872280, 930432, 981315, 1046736, 1163040, 1308420, 1395648, 1550720, 1570104, 1744560, 1860864, 1962630, 2093472, 2326080, 2616840, 2791296, 3101440, 3140208, 3489120, 3925260, 4186944, 4652160, 5233680, 5582592, 6280416, 6978240, 7850520, 8373888, 9304320, 10467360, 12560832, 13956480, 15701040, 16747776, 20934720, 25121664, 27912960, 31402080, 41869440, 50243328, 62804160, 83738880, 125608320, 251216640]

約数ペア:

[(1, 251216640), (2, 125608320), (3, 83738880), (4, 62804160), (5, 50243328), (6, 41869440), (8, 31402080), (9, 27912960), (10, 25121664), (12, 20934720), (15, 16747776), (16, 15701040), (18, 13956480), (20, 12560832), (24, 10467360), (27, 9304320), (30, 8373888), (32, 7850520), (36, 6978240), (40, 6280416), (45, 5582592), (48, 5233680), (54, 4652160), (60, 4186944), (64, 3925260), (72, 3489120), (80, 3140208), (81, 3101440), (90, 2791296), (96, 2616840), (108, 2326080), (120, 2093472), (128, 1962630), (135, 1860864), (144, 1744560), (160, 1570104), (162, 1550720), (180, 1395648), (192, 1308420), (216, 1163040), (240, 1046736), (256, 981315), (270, 930432), (288, 872280), (320, 785052), (324, 775360), (360, 697824), (384, 654210), (405, 620288), (432, 581520), (480, 523368), (540, 465216), (576, 436140), (640, 392526), (648, 387680), (720, 348912), (768, 327105), (810, 310144), (864, 290760), (960, 261684), (1080, 232608), (1152, 218070), (1280, 196263), (1296, 193840), (1440, 174456), (1620, 155072), (1728, 145380), (1920, 130842), (2160, 116304), (2304, 109035), (2423, 103680), (2592, 96920), (2880, 87228), (3240, 77536), (3456, 72690), (3840, 65421), (4320, 58152), (4846, 51840), (5184, 48460), (5760, 43614), (6480, 38768), (6912, 36345), (7269, 34560), (8640, 29076), (9692, 25920), (10368, 24230), (11520, 21807), (12115, 20736), (12960, 19384), (14538, 17280)]