80978130

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:665

約数の個数: 80

約数和(自身を含む): 219150360

約数和(自身を除く): 138172230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 257, 270, 389, 405, 514, 771, 778, 810, 1167, 1285, 1542, 1945, 2313, 2334, 2570, 3501, 3855, 3890, 4626, 5835, 6939, 7002, 7710, 10503, 11565, 11670, 13878, 17505, 20817, 21006, 23130, 31509, 34695, 35010, 41634, 52515, 63018, 69390, 99973, 104085, 105030, 157545, 199946, 208170, 299919, 315090, 499865, 599838, 899757, 999730, 1499595, 1799514, 2699271, 2999190, 4498785, 5398542, 8097813, 8997570, 13496355, 16195626, 26992710, 40489065, 80978130]

約数ペア:

[(1, 80978130), (2, 40489065), (3, 26992710), (5, 16195626), (6, 13496355), (9, 8997570), (10, 8097813), (15, 5398542), (18, 4498785), (27, 2999190), (30, 2699271), (45, 1799514), (54, 1499595), (81, 999730), (90, 899757), (135, 599838), (162, 499865), (257, 315090), (270, 299919), (389, 208170), (405, 199946), (514, 157545), (771, 105030), (778, 104085), (810, 99973), (1167, 69390), (1285, 63018), (1542, 52515), (1945, 41634), (2313, 35010), (2334, 34695), (2570, 31509), (3501, 23130), (3855, 21006), (3890, 20817), (4626, 17505), (5835, 13878), (6939, 11670), (7002, 11565), (7710, 10503)]