30685160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69739}}^1$

素因数の和:69761

約数の個数: 32

約数和(自身を含む): 75319200

約数和(自身を除く): 44634040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 69739, 139478, 278956, 348695, 557912, 697390, 767129, 1394780, 1534258, 2789560, 3068516, 3835645, 6137032, 7671290, 15342580, 30685160]

約数ペア:

[(1, 30685160), (2, 15342580), (4, 7671290), (5, 6137032), (8, 3835645), (10, 3068516), (11, 2789560), (20, 1534258), (22, 1394780), (40, 767129), (44, 697390), (55, 557912), (88, 348695), (110, 278956), (220, 139478), (440, 69739)]