121605990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 128

約数和(自身を含む): 335301120

約数和(自身を除く): 213695130

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 97, 110, 131, 145, 165, 174, 194, 262, 290, 291, 319, 330, 393, 435, 485, 582, 638, 655, 786, 870, 957, 970, 1067, 1310, 1441, 1455, 1595, 1914, 1965, 2134, 2813, 2882, 2910, 3190, 3201, 3799, 3930, 4323, 4785, 5335, 5626, 6402, 7205, 7598, 8439, 8646, 9570, 10670, 11397, 12707, 14065, 14410, 16005, 16878, 18995, 21615, 22794, 25414, 28130, 30943, 32010, 37990, 38121, 41789, 42195, 43230, 56985, 61886, 63535, 76242, 83578, 84390, 92829, 113970, 125367, 127070, 139777, 154715, 185658, 190605, 208945, 250734, 279554, 309430, 368503, 381210, 417890, 419331, 464145, 626835, 698885, 737006, 838662, 928290, 1105509, 1253670, 1397770, 1842515, 2096655, 2211018, 3685030, 4053533, 4193310, 5527545, 8107066, 11055090, 12160599, 20267665, 24321198, 40535330, 60802995, 121605990]

約数ペア:

[(1, 121605990), (2, 60802995), (3, 40535330), (5, 24321198), (6, 20267665), (10, 12160599), (11, 11055090), (15, 8107066), (22, 5527545), (29, 4193310), (30, 4053533), (33, 3685030), (55, 2211018), (58, 2096655), (66, 1842515), (87, 1397770), (97, 1253670), (110, 1105509), (131, 928290), (145, 838662), (165, 737006), (174, 698885), (194, 626835), (262, 464145), (290, 419331), (291, 417890), (319, 381210), (330, 368503), (393, 309430), (435, 279554), (485, 250734), (582, 208945), (638, 190605), (655, 185658), (786, 154715), (870, 139777), (957, 127070), (970, 125367), (1067, 113970), (1310, 92829), (1441, 84390), (1455, 83578), (1595, 76242), (1914, 63535), (1965, 61886), (2134, 56985), (2813, 43230), (2882, 42195), (2910, 41789), (3190, 38121), (3201, 37990), (3799, 32010), (3930, 30943), (4323, 28130), (4785, 25414), (5335, 22794), (5626, 21615), (6402, 18995), (7205, 16878), (7598, 16005), (8439, 14410), (8646, 14065), (9570, 12707), (10670, 11397)]