238256640

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{383}}^1$

素因数の和:421

約数の個数: 240

約数和(自身を含む): 857945088

約数和(自身を除く): 619688448

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, 243, 256, 270, 288, 320, 324, 360, 383, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 766, 768, 810, 864, 960, 972, 1080, 1149, 1152, 1215, 1280, 1296, 1440, 1532, 1536, 1620, 1728, 1915, 1920, 1944, 2160, 2298, 2304, 2430, 2560, 2592, 2880, 3064, 3240, 3447, 3456, 3830, 3840, 3888, 4320, 4596, 4608, 4860, 5184, 5745, 5760, 6128, 6480, 6894, 6912, 7660, 7680, 7776, 8640, 9192, 9720, 10341, 10368, 11490, 11520, 12256, 12960, 13788, 13824, 15320, 15552, 17235, 17280, 18384, 19440, 20682, 20736, 22980, 23040, 24512, 25920, 27576, 30640, 31023, 31104, 34470, 34560, 36768, 38880, 41364, 41472, 45960, 49024, 51705, 51840, 55152, 61280, 62046, 62208, 68940, 69120, 73536, 77760, 82728, 91920, 93069, 98048, 103410, 103680, 110304, 122560, 124092, 124416, 137880, 147072, 155115, 155520, 165456, 183840, 186138, 196096, 206820, 207360, 220608, 245120, 248184, 275760, 294144, 310230, 311040, 330912, 367680, 372276, 413640, 441216, 465345, 490240, 496368, 551520, 588288, 620460, 622080, 661824, 735360, 744552, 827280, 882432, 930690, 980480, 992736, 1103040, 1240920, 1323648, 1470720, 1489104, 1654560, 1764864, 1861380, 1985472, 2206080, 2481840, 2647296, 2941440, 2978208, 3309120, 3722760, 3970944, 4412160, 4963680, 5294592, 5956416, 6618240, 7445520, 7941888, 8824320, 9927360, 11912832, 13236480, 14891040, 15883776, 19854720, 23825664, 26472960, 29782080, 39709440, 47651328, 59564160, 79418880, 119128320, 238256640]

約数ペア:

[(1, 238256640), (2, 119128320), (3, 79418880), (4, 59564160), (5, 47651328), (6, 39709440), (8, 29782080), (9, 26472960), (10, 23825664), (12, 19854720), (15, 15883776), (16, 14891040), (18, 13236480), (20, 11912832), (24, 9927360), (27, 8824320), (30, 7941888), (32, 7445520), (36, 6618240), (40, 5956416), (45, 5294592), (48, 4963680), (54, 4412160), (60, 3970944), (64, 3722760), (72, 3309120), (80, 2978208), (81, 2941440), (90, 2647296), (96, 2481840), (108, 2206080), (120, 1985472), (128, 1861380), (135, 1764864), (144, 1654560), (160, 1489104), (162, 1470720), (180, 1323648), (192, 1240920), (216, 1103040), (240, 992736), (243, 980480), (256, 930690), (270, 882432), (288, 827280), (320, 744552), (324, 735360), (360, 661824), (383, 622080), (384, 620460), (405, 588288), (432, 551520), (480, 496368), (486, 490240), (512, 465345), (540, 441216), (576, 413640), (640, 372276), (648, 367680), (720, 330912), (766, 311040), (768, 310230), (810, 294144), (864, 275760), (960, 248184), (972, 245120), (1080, 220608), (1149, 207360), (1152, 206820), (1215, 196096), (1280, 186138), (1296, 183840), (1440, 165456), (1532, 155520), (1536, 155115), (1620, 147072), (1728, 137880), (1915, 124416), (1920, 124092), (1944, 122560), (2160, 110304), (2298, 103680), (2304, 103410), (2430, 98048), (2560, 93069), (2592, 91920), (2880, 82728), (3064, 77760), (3240, 73536), (3447, 69120), (3456, 68940), (3830, 62208), (3840, 62046), (3888, 61280), (4320, 55152), (4596, 51840), (4608, 51705), (4860, 49024), (5184, 45960), (5745, 41472), (5760, 41364), (6128, 38880), (6480, 36768), (6894, 34560), (6912, 34470), (7660, 31104), (7680, 31023), (7776, 30640), (8640, 27576), (9192, 25920), (9720, 24512), (10341, 23040), (10368, 22980), (11490, 20736), (11520, 20682), (12256, 19440), (12960, 18384), (13788, 17280), (13824, 17235), (15320, 15552)]