218640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{911}}^1$

素因数の和:927

約数の個数: 40

約数和(自身を含む): 678528

約数和(自身を除く): 459888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 911, 1822, 2733, 3644, 4555, 5466, 7288, 9110, 10932, 13665, 14576, 18220, 21864, 27330, 36440, 43728, 54660, 72880, 109320, 218640]

約数ペア:

[(1, 218640), (2, 109320), (3, 72880), (4, 54660), (5, 43728), (6, 36440), (8, 27330), (10, 21864), (12, 18220), (15, 14576), (16, 13665), (20, 10932), (24, 9110), (30, 7288), (40, 5466), (48, 4555), (60, 3644), (80, 2733), (120, 1822), (240, 911)]