123516640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1452

約数の個数: 96

約数和(自身を含む): 321795936

約数和(自身を除く): 198279296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 344, 416, 430, 520, 559, 688, 860, 1040, 1118, 1376, 1381, 1720, 2080, 2236, 2762, 2795, 3440, 4472, 5524, 5590, 6880, 6905, 8944, 11048, 11180, 13810, 17888, 17953, 22096, 22360, 27620, 35906, 44192, 44720, 55240, 59383, 71812, 89440, 89765, 110480, 118766, 143624, 179530, 220960, 237532, 287248, 296915, 359060, 475064, 574496, 593830, 718120, 771979, 950128, 1187660, 1436240, 1543958, 1900256, 2375320, 2872480, 3087916, 3859895, 4750640, 6175832, 7719790, 9501280, 12351664, 15439580, 24703328, 30879160, 61758320, 123516640]

約数ペア:

[(1, 123516640), (2, 61758320), (4, 30879160), (5, 24703328), (8, 15439580), (10, 12351664), (13, 9501280), (16, 7719790), (20, 6175832), (26, 4750640), (32, 3859895), (40, 3087916), (43, 2872480), (52, 2375320), (65, 1900256), (80, 1543958), (86, 1436240), (104, 1187660), (130, 950128), (160, 771979), (172, 718120), (208, 593830), (215, 574496), (260, 475064), (344, 359060), (416, 296915), (430, 287248), (520, 237532), (559, 220960), (688, 179530), (860, 143624), (1040, 118766), (1118, 110480), (1376, 89765), (1381, 89440), (1720, 71812), (2080, 59383), (2236, 55240), (2762, 44720), (2795, 44192), (3440, 35906), (4472, 27620), (5524, 22360), (5590, 22096), (6880, 17953), (6905, 17888), (8944, 13810), (11048, 11180)]