638501760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8527}}^1$

素因数の和:8565

約数の個数: 192

約数和(自身を含む): 2374706880

約数和(自身を除く): 1736205120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1440, 1560, 1664, 1872, 1920, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 4992, 5760, 6240, 7488, 8320, 8527, 9360, 12480, 14976, 17054, 18720, 24960, 25581, 34108, 37440, 42635, 51162, 68216, 74880, 76743, 85270, 102324, 110851, 127905, 136432, 153486, 170540, 204648, 221702, 255810, 272864, 306972, 332553, 341080, 383715, 409296, 443404, 511620, 545728, 554255, 613944, 665106, 682160, 767430, 818592, 886808, 997659, 1023240, 1091456, 1108510, 1227888, 1330212, 1364320, 1534860, 1637184, 1662765, 1773616, 1995318, 2046480, 2217020, 2455776, 2660424, 2728640, 3069720, 3274368, 3325530, 3547232, 3990636, 4092960, 4434040, 4911552, 4988295, 5320848, 5457280, 6139440, 6651060, 7094464, 7981272, 8185920, 8868080, 9823104, 9976590, 10641696, 12278880, 13302120, 14188928, 15962544, 16371840, 17736160, 19953180, 21283392, 24557760, 26604240, 31925088, 35472320, 39906360, 42566784, 49115520, 53208480, 63850176, 70944640, 79812720, 106416960, 127700352, 159625440, 212833920, 319250880, 638501760]

約数ペア:

[(1, 638501760), (2, 319250880), (3, 212833920), (4, 159625440), (5, 127700352), (6, 106416960), (8, 79812720), (9, 70944640), (10, 63850176), (12, 53208480), (13, 49115520), (15, 42566784), (16, 39906360), (18, 35472320), (20, 31925088), (24, 26604240), (26, 24557760), (30, 21283392), (32, 19953180), (36, 17736160), (39, 16371840), (40, 15962544), (45, 14188928), (48, 13302120), (52, 12278880), (60, 10641696), (64, 9976590), (65, 9823104), (72, 8868080), (78, 8185920), (80, 7981272), (90, 7094464), (96, 6651060), (104, 6139440), (117, 5457280), (120, 5320848), (128, 4988295), (130, 4911552), (144, 4434040), (156, 4092960), (160, 3990636), (180, 3547232), (192, 3325530), (195, 3274368), (208, 3069720), (234, 2728640), (240, 2660424), (260, 2455776), (288, 2217020), (312, 2046480), (320, 1995318), (360, 1773616), (384, 1662765), (390, 1637184), (416, 1534860), (468, 1364320), (480, 1330212), (520, 1227888), (576, 1108510), (585, 1091456), (624, 1023240), (640, 997659), (720, 886808), (780, 818592), (832, 767430), (936, 682160), (960, 665106), (1040, 613944), (1152, 554255), (1170, 545728), (1248, 511620), (1440, 443404), (1560, 409296), (1664, 383715), (1872, 341080), (1920, 332553), (2080, 306972), (2340, 272864), (2496, 255810), (2880, 221702), (3120, 204648), (3744, 170540), (4160, 153486), (4680, 136432), (4992, 127905), (5760, 110851), (6240, 102324), (7488, 85270), (8320, 76743), (8527, 74880), (9360, 68216), (12480, 51162), (14976, 42635), (17054, 37440), (18720, 34108), (24960, 25581)]