80817360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25903}}^1$

素因数の和:25932

約数の個数: 80

約数和(自身を含む): 269816064

約数和(自身を除く): 188998704

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, 25903, 51806, 77709, 103612, 129515, 155418, 207224, 259030, 310836, 336739, 388545, 414448, 518060, 621672, 673478, 777090, 1010217, 1036120, 1243344, 1346956, 1554180, 1683695, 2020434, 2072240, 2693912, 3108360, 3367390, 4040868, 5051085, 5387824, 6216720, 6734780, 8081736, 10102170, 13469560, 16163472, 20204340, 26939120, 40408680, 80817360]

約数ペア:

[(1, 80817360), (2, 40408680), (3, 26939120), (4, 20204340), (5, 16163472), (6, 13469560), (8, 10102170), (10, 8081736), (12, 6734780), (13, 6216720), (15, 5387824), (16, 5051085), (20, 4040868), (24, 3367390), (26, 3108360), (30, 2693912), (39, 2072240), (40, 2020434), (48, 1683695), (52, 1554180), (60, 1346956), (65, 1243344), (78, 1036120), (80, 1010217), (104, 777090), (120, 673478), (130, 621672), (156, 518060), (195, 414448), (208, 388545), (240, 336739), (260, 310836), (312, 259030), (390, 207224), (520, 155418), (624, 129515), (780, 103612), (1040, 77709), (1560, 51806), (3120, 25903)]