68884280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 164181600

約数和(自身を除く): 95297320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 430, 580, 860, 1160, 1247, 1381, 1720, 2494, 2762, 4988, 5524, 6235, 6905, 9976, 11048, 12470, 13810, 24940, 27620, 40049, 49880, 55240, 59383, 80098, 118766, 160196, 200245, 237532, 296915, 320392, 400490, 475064, 593830, 800980, 1187660, 1601960, 1722107, 2375320, 3444214, 6888428, 8610535, 13776856, 17221070, 34442140, 68884280]

約数ペア:

[(1, 68884280), (2, 34442140), (4, 17221070), (5, 13776856), (8, 8610535), (10, 6888428), (20, 3444214), (29, 2375320), (40, 1722107), (43, 1601960), (58, 1187660), (86, 800980), (116, 593830), (145, 475064), (172, 400490), (215, 320392), (232, 296915), (290, 237532), (344, 200245), (430, 160196), (580, 118766), (860, 80098), (1160, 59383), (1247, 55240), (1381, 49880), (1720, 40049), (2494, 27620), (2762, 24940), (4988, 13810), (5524, 12470), (6235, 11048), (6905, 9976)]