28646040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 91445760

約数和(自身を除く): 62799720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 97, 107, 115, 120, 138, 184, 194, 214, 230, 276, 291, 321, 345, 388, 428, 460, 485, 535, 552, 582, 642, 690, 776, 856, 920, 970, 1070, 1164, 1284, 1380, 1455, 1605, 1940, 2140, 2231, 2328, 2461, 2568, 2760, 2910, 3210, 3880, 4280, 4462, 4922, 5820, 6420, 6693, 7383, 8924, 9844, 10379, 11155, 11640, 12305, 12840, 13386, 14766, 17848, 19688, 20758, 22310, 24610, 26772, 29532, 31137, 33465, 36915, 41516, 44620, 49220, 51895, 53544, 59064, 62274, 66930, 73830, 83032, 89240, 98440, 103790, 124548, 133860, 147660, 155685, 207580, 238717, 249096, 267720, 295320, 311370, 415160, 477434, 622740, 716151, 954868, 1193585, 1245480, 1432302, 1909736, 2387170, 2864604, 3580755, 4774340, 5729208, 7161510, 9548680, 14323020, 28646040]

約数ペア:

[(1, 28646040), (2, 14323020), (3, 9548680), (4, 7161510), (5, 5729208), (6, 4774340), (8, 3580755), (10, 2864604), (12, 2387170), (15, 1909736), (20, 1432302), (23, 1245480), (24, 1193585), (30, 954868), (40, 716151), (46, 622740), (60, 477434), (69, 415160), (92, 311370), (97, 295320), (107, 267720), (115, 249096), (120, 238717), (138, 207580), (184, 155685), (194, 147660), (214, 133860), (230, 124548), (276, 103790), (291, 98440), (321, 89240), (345, 83032), (388, 73830), (428, 66930), (460, 62274), (485, 59064), (535, 53544), (552, 51895), (582, 49220), (642, 44620), (690, 41516), (776, 36915), (856, 33465), (920, 31137), (970, 29532), (1070, 26772), (1164, 24610), (1284, 22310), (1380, 20758), (1455, 19688), (1605, 17848), (1940, 14766), (2140, 13386), (2231, 12840), (2328, 12305), (2461, 11640), (2568, 11155), (2760, 10379), (2910, 9844), (3210, 8924), (3880, 7383), (4280, 6693), (4462, 6420), (4922, 5820)]