86868880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2543}}^1$

素因数の和:2624

約数の個数: 80

約数和(自身を含む): 234699264

約数和(自身を除く): 147830384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2440, 2543, 3416, 4270, 4880, 5086, 6832, 8540, 10172, 12715, 17080, 17801, 20344, 25430, 34160, 35602, 40688, 50860, 71204, 89005, 101720, 142408, 155123, 178010, 203440, 284816, 310246, 356020, 620492, 712040, 775615, 1085861, 1240984, 1424080, 1551230, 2171722, 2481968, 3102460, 4343444, 5429305, 6204920, 8686888, 10858610, 12409840, 17373776, 21717220, 43434440, 86868880]

約数ペア:

[(1, 86868880), (2, 43434440), (4, 21717220), (5, 17373776), (7, 12409840), (8, 10858610), (10, 8686888), (14, 6204920), (16, 5429305), (20, 4343444), (28, 3102460), (35, 2481968), (40, 2171722), (56, 1551230), (61, 1424080), (70, 1240984), (80, 1085861), (112, 775615), (122, 712040), (140, 620492), (244, 356020), (280, 310246), (305, 284816), (427, 203440), (488, 178010), (560, 155123), (610, 142408), (854, 101720), (976, 89005), (1220, 71204), (1708, 50860), (2135, 40688), (2440, 35602), (2543, 34160), (3416, 25430), (4270, 20344), (4880, 17801), (5086, 17080), (6832, 12715), (8540, 10172)]