80688780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3967}}^1$

素因数の和:4095

約数の個数: 72

約数和(自身を含む): 246984192

約数和(自身を除く): 166295412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1130, 1356, 1695, 2034, 2260, 3390, 3967, 4068, 5085, 6780, 7934, 10170, 11901, 15868, 19835, 20340, 23802, 35703, 39670, 47604, 59505, 71406, 79340, 119010, 142812, 178515, 238020, 357030, 448271, 714060, 896542, 1344813, 1793084, 2241355, 2689626, 4034439, 4482710, 5379252, 6724065, 8068878, 8965420, 13448130, 16137756, 20172195, 26896260, 40344390, 80688780]

約数ペア:

[(1, 80688780), (2, 40344390), (3, 26896260), (4, 20172195), (5, 16137756), (6, 13448130), (9, 8965420), (10, 8068878), (12, 6724065), (15, 5379252), (18, 4482710), (20, 4034439), (30, 2689626), (36, 2241355), (45, 1793084), (60, 1344813), (90, 896542), (113, 714060), (180, 448271), (226, 357030), (339, 238020), (452, 178515), (565, 142812), (678, 119010), (1017, 79340), (1130, 71406), (1356, 59505), (1695, 47604), (2034, 39670), (2260, 35703), (3390, 23802), (3967, 20340), (4068, 19835), (5085, 15868), (6780, 11901), (7934, 10170)]