13126720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 112

約数和(自身を含む): 35112960

約数和(自身を除く): 21986240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 127, 136, 152, 160, 170, 190, 254, 272, 304, 320, 323, 340, 380, 508, 544, 608, 635, 646, 680, 760, 1016, 1088, 1216, 1270, 1292, 1360, 1520, 1615, 2032, 2159, 2413, 2540, 2584, 2720, 3040, 3230, 4064, 4318, 4826, 5080, 5168, 5440, 6080, 6460, 8128, 8636, 9652, 10160, 10336, 10795, 12065, 12920, 17272, 19304, 20320, 20672, 21590, 24130, 25840, 34544, 38608, 40640, 41021, 43180, 48260, 51680, 69088, 77216, 82042, 86360, 96520, 103360, 138176, 154432, 164084, 172720, 193040, 205105, 328168, 345440, 386080, 410210, 656336, 690880, 772160, 820420, 1312672, 1640840, 2625344, 3281680, 6563360, 13126720]

約数ペア:

[(1, 13126720), (2, 6563360), (4, 3281680), (5, 2625344), (8, 1640840), (10, 1312672), (16, 820420), (17, 772160), (19, 690880), (20, 656336), (32, 410210), (34, 386080), (38, 345440), (40, 328168), (64, 205105), (68, 193040), (76, 172720), (80, 164084), (85, 154432), (95, 138176), (127, 103360), (136, 96520), (152, 86360), (160, 82042), (170, 77216), (190, 69088), (254, 51680), (272, 48260), (304, 43180), (320, 41021), (323, 40640), (340, 38608), (380, 34544), (508, 25840), (544, 24130), (608, 21590), (635, 20672), (646, 20320), (680, 19304), (760, 17272), (1016, 12920), (1088, 12065), (1216, 10795), (1270, 10336), (1292, 10160), (1360, 9652), (1520, 8636), (1615, 8128), (2032, 6460), (2159, 6080), (2413, 5440), (2540, 5168), (2584, 5080), (2720, 4826), (3040, 4318), (3230, 4064)]