251968320

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{9721}}^1$

素因数の和:9750

約数の個数: 140

約数和(自身を含む): 896387844

約数和(自身を除く): 644419524

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, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 9721, 12960, 19442, 25920, 29163, 38884, 48605, 58326, 77768, 87489, 97210, 116652, 145815, 155536, 174978, 194420, 233304, 262467, 291630, 311072, 349956, 388840, 437445, 466608, 524934, 583260, 622144, 699912, 777680, 787401, 874890, 933216, 1049868, 1166520, 1312335, 1399824, 1555360, 1574802, 1749780, 1866432, 2099736, 2333040, 2624670, 2799648, 3110720, 3149604, 3499560, 3937005, 4199472, 4666080, 5249340, 5599296, 6299208, 6999120, 7874010, 8398944, 9332160, 10498680, 12598416, 13998240, 15748020, 16797888, 20997360, 25196832, 27996480, 31496040, 41994720, 50393664, 62992080, 83989440, 125984160, 251968320]

約数ペア:

[(1, 251968320), (2, 125984160), (3, 83989440), (4, 62992080), (5, 50393664), (6, 41994720), (8, 31496040), (9, 27996480), (10, 25196832), (12, 20997360), (15, 16797888), (16, 15748020), (18, 13998240), (20, 12598416), (24, 10498680), (27, 9332160), (30, 8398944), (32, 7874010), (36, 6999120), (40, 6299208), (45, 5599296), (48, 5249340), (54, 4666080), (60, 4199472), (64, 3937005), (72, 3499560), (80, 3149604), (81, 3110720), (90, 2799648), (96, 2624670), (108, 2333040), (120, 2099736), (135, 1866432), (144, 1749780), (160, 1574802), (162, 1555360), (180, 1399824), (192, 1312335), (216, 1166520), (240, 1049868), (270, 933216), (288, 874890), (320, 787401), (324, 777680), (360, 699912), (405, 622144), (432, 583260), (480, 524934), (540, 466608), (576, 437445), (648, 388840), (720, 349956), (810, 311072), (864, 291630), (960, 262467), (1080, 233304), (1296, 194420), (1440, 174978), (1620, 155536), (1728, 145815), (2160, 116652), (2592, 97210), (2880, 87489), (3240, 77768), (4320, 58326), (5184, 48605), (6480, 38884), (8640, 29163), (9721, 25920), (12960, 19442)]