81047640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21787}}^1$

素因数の和:21832

約数の個数: 64

約数和(自身を含む): 250997760

約数和(自身を除く): 169950120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21787, 43574, 65361, 87148, 108935, 130722, 174296, 217870, 261444, 326805, 435740, 522888, 653610, 675397, 871480, 1307220, 1350794, 2026191, 2614440, 2701588, 3376985, 4052382, 5403176, 6753970, 8104764, 10130955, 13507940, 16209528, 20261910, 27015880, 40523820, 81047640]

約数ペア:

[(1, 81047640), (2, 40523820), (3, 27015880), (4, 20261910), (5, 16209528), (6, 13507940), (8, 10130955), (10, 8104764), (12, 6753970), (15, 5403176), (20, 4052382), (24, 3376985), (30, 2701588), (31, 2614440), (40, 2026191), (60, 1350794), (62, 1307220), (93, 871480), (120, 675397), (124, 653610), (155, 522888), (186, 435740), (248, 326805), (310, 261444), (372, 217870), (465, 174296), (620, 130722), (744, 108935), (930, 87148), (1240, 65361), (1860, 43574), (3720, 21787)]