18177040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4637}}^1$

素因数の和:4664

約数の個数: 60

約数和(自身を含む): 49172076

約数和(自身を除く): 30995036

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4637, 9274, 18548, 23185, 32459, 37096, 46370, 64918, 74192, 92740, 129836, 162295, 185480, 227213, 259672, 324590, 370960, 454426, 519344, 649180, 908852, 1136065, 1298360, 1817704, 2272130, 2596720, 3635408, 4544260, 9088520, 18177040]

約数ペア:

[(1, 18177040), (2, 9088520), (4, 4544260), (5, 3635408), (7, 2596720), (8, 2272130), (10, 1817704), (14, 1298360), (16, 1136065), (20, 908852), (28, 649180), (35, 519344), (40, 454426), (49, 370960), (56, 324590), (70, 259672), (80, 227213), (98, 185480), (112, 162295), (140, 129836), (196, 92740), (245, 74192), (280, 64918), (392, 46370), (490, 37096), (560, 32459), (784, 23185), (980, 18548), (1960, 9274), (3920, 4637)]