149448520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 381911040

約数和(自身を除く): 232462520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 73, 104, 124, 127, 130, 146, 155, 248, 254, 260, 292, 310, 365, 403, 508, 520, 584, 620, 635, 730, 806, 949, 1016, 1240, 1270, 1460, 1612, 1651, 1898, 2015, 2263, 2540, 2920, 3224, 3302, 3796, 3937, 4030, 4526, 4745, 5080, 6604, 7592, 7874, 8060, 8255, 9052, 9271, 9490, 11315, 13208, 15748, 16120, 16510, 18104, 18542, 18980, 19685, 22630, 29419, 31496, 33020, 37084, 37960, 39370, 45260, 46355, 51181, 58838, 66040, 74168, 78740, 90520, 92710, 102362, 117676, 120523, 147095, 157480, 185420, 204724, 235352, 241046, 255905, 287401, 294190, 370840, 409448, 482092, 511810, 574802, 588380, 602615, 964184, 1023620, 1149604, 1176760, 1205230, 1437005, 2047240, 2299208, 2410460, 2874010, 3736213, 4820920, 5748020, 7472426, 11496040, 14944852, 18681065, 29889704, 37362130, 74724260, 149448520]

約数ペア:

[(1, 149448520), (2, 74724260), (4, 37362130), (5, 29889704), (8, 18681065), (10, 14944852), (13, 11496040), (20, 7472426), (26, 5748020), (31, 4820920), (40, 3736213), (52, 2874010), (62, 2410460), (65, 2299208), (73, 2047240), (104, 1437005), (124, 1205230), (127, 1176760), (130, 1149604), (146, 1023620), (155, 964184), (248, 602615), (254, 588380), (260, 574802), (292, 511810), (310, 482092), (365, 409448), (403, 370840), (508, 294190), (520, 287401), (584, 255905), (620, 241046), (635, 235352), (730, 204724), (806, 185420), (949, 157480), (1016, 147095), (1240, 120523), (1270, 117676), (1460, 102362), (1612, 92710), (1651, 90520), (1898, 78740), (2015, 74168), (2263, 66040), (2540, 58838), (2920, 51181), (3224, 46355), (3302, 45260), (3796, 39370), (3937, 37960), (4030, 37084), (4526, 33020), (4745, 31496), (5080, 29419), (6604, 22630), (7592, 19685), (7874, 18980), (8060, 18542), (8255, 18104), (9052, 16510), (9271, 16120), (9490, 15748), (11315, 13208)]