81995400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{45553}}^1$

素因数の和:45575

約数の個数: 72

約数和(自身を含む): 275373930

約数和(自身を除く): 193378530

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 45553, 91106, 136659, 182212, 227765, 273318, 364424, 409977, 455530, 546636, 683295, 819954, 911060, 1093272, 1138825, 1366590, 1639908, 1822120, 2049885, 2277650, 2733180, 3279816, 3416475, 4099770, 4555300, 5466360, 6832950, 8199540, 9110600, 10249425, 13665900, 16399080, 20498850, 27331800, 40997700, 81995400]

約数ペア:

[(1, 81995400), (2, 40997700), (3, 27331800), (4, 20498850), (5, 16399080), (6, 13665900), (8, 10249425), (9, 9110600), (10, 8199540), (12, 6832950), (15, 5466360), (18, 4555300), (20, 4099770), (24, 3416475), (25, 3279816), (30, 2733180), (36, 2277650), (40, 2049885), (45, 1822120), (50, 1639908), (60, 1366590), (72, 1138825), (75, 1093272), (90, 911060), (100, 819954), (120, 683295), (150, 546636), (180, 455530), (200, 409977), (225, 364424), (300, 273318), (360, 227765), (450, 182212), (600, 136659), (900, 91106), (1800, 45553)]