666060720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213481}}^1$

素因数の和:213510

約数の個数: 80

約数和(自身を含む): 2223628512

約数和(自身を除く): 1557567792

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, 213481, 426962, 640443, 853924, 1067405, 1280886, 1707848, 2134810, 2561772, 2775253, 3202215, 3415696, 4269620, 5123544, 5550506, 6404430, 8325759, 8539240, 10247088, 11101012, 12808860, 13876265, 16651518, 17078480, 22202024, 25617720, 27752530, 33303036, 41628795, 44404048, 51235440, 55505060, 66606072, 83257590, 111010120, 133212144, 166515180, 222020240, 333030360, 666060720]

約数ペア:

[(1, 666060720), (2, 333030360), (3, 222020240), (4, 166515180), (5, 133212144), (6, 111010120), (8, 83257590), (10, 66606072), (12, 55505060), (13, 51235440), (15, 44404048), (16, 41628795), (20, 33303036), (24, 27752530), (26, 25617720), (30, 22202024), (39, 17078480), (40, 16651518), (48, 13876265), (52, 12808860), (60, 11101012), (65, 10247088), (78, 8539240), (80, 8325759), (104, 6404430), (120, 5550506), (130, 5123544), (156, 4269620), (195, 3415696), (208, 3202215), (240, 2775253), (260, 2561772), (312, 2134810), (390, 1707848), (520, 1280886), (624, 1067405), (780, 853924), (1040, 640443), (1560, 426962), (3120, 213481)]