393452880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1639387}}^1$

素因数の和:1639403

約数の個数: 40

約数和(自身を含む): 1219704672

約数和(自身を除く): 826251792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1639387, 3278774, 4918161, 6557548, 8196935, 9836322, 13115096, 16393870, 19672644, 24590805, 26230192, 32787740, 39345288, 49181610, 65575480, 78690576, 98363220, 131150960, 196726440, 393452880]

約数ペア:

[(1, 393452880), (2, 196726440), (3, 131150960), (4, 98363220), (5, 78690576), (6, 65575480), (8, 49181610), (10, 39345288), (12, 32787740), (15, 26230192), (16, 24590805), (20, 19672644), (24, 16393870), (30, 13115096), (40, 9836322), (48, 8196935), (60, 6557548), (80, 4918161), (120, 3278774), (240, 1639387)]