61758320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1450

約数の個数: 80

約数和(自身を含む): 158344032

約数和(自身を除く): 96585712

約数列:

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

約数ペア:

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