27993720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{887}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 84395520

約数和(自身を除く): 56401800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 887, 1052, 1315, 1578, 1774, 2104, 2630, 2661, 3156, 3548, 3945, 4435, 5260, 5322, 6312, 7096, 7890, 8870, 10520, 10644, 13305, 15780, 17740, 21288, 26610, 31560, 35480, 53220, 106440, 233281, 466562, 699843, 933124, 1166405, 1399686, 1866248, 2332810, 2799372, 3499215, 4665620, 5598744, 6998430, 9331240, 13996860, 27993720]

約数ペア:

[(1, 27993720), (2, 13996860), (3, 9331240), (4, 6998430), (5, 5598744), (6, 4665620), (8, 3499215), (10, 2799372), (12, 2332810), (15, 1866248), (20, 1399686), (24, 1166405), (30, 933124), (40, 699843), (60, 466562), (120, 233281), (263, 106440), (526, 53220), (789, 35480), (887, 31560), (1052, 26610), (1315, 21288), (1578, 17740), (1774, 15780), (2104, 13305), (2630, 10644), (2661, 10520), (3156, 8870), (3548, 7890), (3945, 7096), (4435, 6312), (5260, 5322)]