78513540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1427}}^1$

素因数の和:1577

約数の個数: 96

約数和(自身を含む): 253338624

約数和(自身を除く): 174825084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 131, 140, 210, 262, 393, 420, 524, 655, 786, 917, 1310, 1427, 1572, 1834, 1965, 2620, 2751, 2854, 3668, 3930, 4281, 4585, 5502, 5708, 7135, 7860, 8562, 9170, 9989, 11004, 13755, 14270, 17124, 18340, 19978, 21405, 27510, 28540, 29967, 39956, 42810, 49945, 55020, 59934, 85620, 99890, 119868, 149835, 186937, 199780, 299670, 373874, 560811, 599340, 747748, 934685, 1121622, 1308559, 1869370, 2243244, 2617118, 2804055, 3738740, 3925677, 5234236, 5608110, 6542795, 7851354, 11216220, 13085590, 15702708, 19628385, 26171180, 39256770, 78513540]

約数ペア:

[(1, 78513540), (2, 39256770), (3, 26171180), (4, 19628385), (5, 15702708), (6, 13085590), (7, 11216220), (10, 7851354), (12, 6542795), (14, 5608110), (15, 5234236), (20, 3925677), (21, 3738740), (28, 2804055), (30, 2617118), (35, 2243244), (42, 1869370), (60, 1308559), (70, 1121622), (84, 934685), (105, 747748), (131, 599340), (140, 560811), (210, 373874), (262, 299670), (393, 199780), (420, 186937), (524, 149835), (655, 119868), (786, 99890), (917, 85620), (1310, 59934), (1427, 55020), (1572, 49945), (1834, 42810), (1965, 39956), (2620, 29967), (2751, 28540), (2854, 27510), (3668, 21405), (3930, 19978), (4281, 18340), (4585, 17124), (5502, 14270), (5708, 13755), (7135, 11004), (7860, 9989), (8562, 9170)]