1205508720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{386381}}^1$

素因数の和:386410

約数の個数: 80

約数和(自身を含む): 4024554912

約数和(自身を除く): 2819046192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 386381, 772762, 1159143, 1545524, 1931905, 2318286, 3091048, 3863810, 4636572, 5022953, 5795715, 6182096, 7727620, 9273144, 10045906, 11591430, 15068859, 15455240, 18546288, 20091812, 23182860, 25114765, 30137718, 30910480, 40183624, 46365720, 50229530, 60275436, 75344295, 80367248, 92731440, 100459060, 120550872, 150688590, 200918120, 241101744, 301377180, 401836240, 602754360, 1205508720]

約数ペア:

[(1, 1205508720), (2, 602754360), (3, 401836240), (4, 301377180), (5, 241101744), (6, 200918120), (8, 150688590), (10, 120550872), (12, 100459060), (13, 92731440), (15, 80367248), (16, 75344295), (20, 60275436), (24, 50229530), (26, 46365720), (30, 40183624), (39, 30910480), (40, 30137718), (48, 25114765), (52, 23182860), (60, 20091812), (65, 18546288), (78, 15455240), (80, 15068859), (104, 11591430), (120, 10045906), (130, 9273144), (156, 7727620), (195, 6182096), (208, 5795715), (240, 5022953), (260, 4636572), (312, 3863810), (390, 3091048), (520, 2318286), (624, 1931905), (780, 1545524), (1040, 1159143), (1560, 772762), (3120, 386381)]