253138920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2237}}^1$

素因数の和:2315

約数の個数: 128

約数和(自身を含む): 812125440

約数和(自身を除く): 558986520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 246, 276, 328, 345, 410, 460, 492, 552, 615, 690, 820, 920, 943, 984, 1230, 1380, 1640, 1886, 2237, 2460, 2760, 2829, 3772, 4474, 4715, 4920, 5658, 6711, 7544, 8948, 9430, 11185, 11316, 13422, 14145, 17896, 18860, 22370, 22632, 26844, 28290, 33555, 37720, 44740, 51451, 53688, 56580, 67110, 89480, 91717, 102902, 113160, 134220, 154353, 183434, 205804, 257255, 268440, 275151, 308706, 366868, 411608, 458585, 514510, 550302, 617412, 733736, 771765, 917170, 1029020, 1100604, 1234824, 1375755, 1543530, 1834340, 2058040, 2109491, 2201208, 2751510, 3087060, 3668680, 4218982, 5503020, 6174120, 6328473, 8437964, 10547455, 11006040, 12656946, 16875928, 21094910, 25313892, 31642365, 42189820, 50627784, 63284730, 84379640, 126569460, 253138920]

約数ペア:

[(1, 253138920), (2, 126569460), (3, 84379640), (4, 63284730), (5, 50627784), (6, 42189820), (8, 31642365), (10, 25313892), (12, 21094910), (15, 16875928), (20, 12656946), (23, 11006040), (24, 10547455), (30, 8437964), (40, 6328473), (41, 6174120), (46, 5503020), (60, 4218982), (69, 3668680), (82, 3087060), (92, 2751510), (115, 2201208), (120, 2109491), (123, 2058040), (138, 1834340), (164, 1543530), (184, 1375755), (205, 1234824), (230, 1100604), (246, 1029020), (276, 917170), (328, 771765), (345, 733736), (410, 617412), (460, 550302), (492, 514510), (552, 458585), (615, 411608), (690, 366868), (820, 308706), (920, 275151), (943, 268440), (984, 257255), (1230, 205804), (1380, 183434), (1640, 154353), (1886, 134220), (2237, 113160), (2460, 102902), (2760, 91717), (2829, 89480), (3772, 67110), (4474, 56580), (4715, 53688), (4920, 51451), (5658, 44740), (6711, 37720), (7544, 33555), (8948, 28290), (9430, 26844), (11185, 22632), (11316, 22370), (13422, 18860), (14145, 17896)]