638242560

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3259}}^1$

素因数の和:3303

約数の個数: 216

約数和(自身を含む): 2338867440

約数和(自身を除く): 1700624880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1632, 1920, 2040, 2176, 2304, 2448, 2720, 2880, 3060, 3259, 3264, 3840, 4080, 4352, 4896, 5440, 5760, 6120, 6518, 6528, 8160, 9777, 9792, 10880, 11520, 12240, 13036, 13056, 16295, 16320, 19554, 19584, 21760, 24480, 26072, 29331, 32590, 32640, 39108, 39168, 48885, 48960, 52144, 55403, 58662, 65180, 65280, 78216, 97770, 97920, 104288, 110806, 117324, 130360, 146655, 156432, 166209, 195540, 195840, 208576, 221612, 234648, 260720, 277015, 293310, 312864, 332418, 391080, 417152, 443224, 469296, 498627, 521440, 554030, 586620, 625728, 664836, 782160, 831045, 834304, 886448, 938592, 997254, 1042880, 1108060, 1173240, 1251456, 1329672, 1564320, 1662090, 1772896, 1877184, 1994508, 2085760, 2216120, 2346480, 2493135, 2502912, 2659344, 3128640, 3324180, 3545792, 3754368, 3989016, 4171520, 4432240, 4692960, 4986270, 5318688, 6257280, 6648360, 7091584, 7508736, 7978032, 8864480, 9385920, 9972540, 10637376, 12514560, 13296720, 14183168, 15956064, 17728960, 18771840, 19945080, 21274752, 26593440, 31912128, 35457920, 37543680, 39890160, 42549504, 53186880, 63824256, 70915840, 79780320, 106373760, 127648512, 159560640, 212747520, 319121280, 638242560]

約数ペア:

[(1, 638242560), (2, 319121280), (3, 212747520), (4, 159560640), (5, 127648512), (6, 106373760), (8, 79780320), (9, 70915840), (10, 63824256), (12, 53186880), (15, 42549504), (16, 39890160), (17, 37543680), (18, 35457920), (20, 31912128), (24, 26593440), (30, 21274752), (32, 19945080), (34, 18771840), (36, 17728960), (40, 15956064), (45, 14183168), (48, 13296720), (51, 12514560), (60, 10637376), (64, 9972540), (68, 9385920), (72, 8864480), (80, 7978032), (85, 7508736), (90, 7091584), (96, 6648360), (102, 6257280), (120, 5318688), (128, 4986270), (136, 4692960), (144, 4432240), (153, 4171520), (160, 3989016), (170, 3754368), (180, 3545792), (192, 3324180), (204, 3128640), (240, 2659344), (255, 2502912), (256, 2493135), (272, 2346480), (288, 2216120), (306, 2085760), (320, 1994508), (340, 1877184), (360, 1772896), (384, 1662090), (408, 1564320), (480, 1329672), (510, 1251456), (544, 1173240), (576, 1108060), (612, 1042880), (640, 997254), (680, 938592), (720, 886448), (765, 834304), (768, 831045), (816, 782160), (960, 664836), (1020, 625728), (1088, 586620), (1152, 554030), (1224, 521440), (1280, 498627), (1360, 469296), (1440, 443224), (1530, 417152), (1632, 391080), (1920, 332418), (2040, 312864), (2176, 293310), (2304, 277015), (2448, 260720), (2720, 234648), (2880, 221612), (3060, 208576), (3259, 195840), (3264, 195540), (3840, 166209), (4080, 156432), (4352, 146655), (4896, 130360), (5440, 117324), (5760, 110806), (6120, 104288), (6518, 97920), (6528, 97770), (8160, 78216), (9777, 65280), (9792, 65180), (10880, 58662), (11520, 55403), (12240, 52144), (13036, 48960), (13056, 48885), (16295, 39168), (16320, 39108), (19554, 32640), (19584, 32590), (21760, 29331), (24480, 26072)]