856422760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 2057529600

約数和(自身を除く): 1201106840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 59, 82, 106, 118, 164, 167, 205, 212, 236, 265, 295, 328, 334, 410, 424, 472, 530, 590, 668, 820, 835, 1060, 1180, 1336, 1640, 1670, 2120, 2173, 2360, 2419, 3127, 3340, 4346, 4838, 6254, 6680, 6847, 8692, 8851, 9676, 9853, 10865, 12095, 12508, 13694, 15635, 17384, 17702, 19352, 19706, 21730, 24190, 25016, 27388, 31270, 34235, 35404, 39412, 43460, 44255, 48380, 49265, 54776, 62540, 68470, 70808, 78824, 86920, 88510, 96760, 98530, 125080, 128207, 136940, 177020, 197060, 256414, 273880, 354040, 362891, 394120, 403973, 512828, 522209, 641035, 725782, 807946, 1025656, 1044418, 1282070, 1451564, 1615892, 1814455, 2019865, 2088836, 2564140, 2611045, 2903128, 3231784, 3628910, 4039730, 4177672, 5128280, 5222090, 7257820, 8079460, 10444180, 14515640, 16158920, 20888360, 21410569, 42821138, 85642276, 107052845, 171284552, 214105690, 428211380, 856422760]

約数ペア:

[(1, 856422760), (2, 428211380), (4, 214105690), (5, 171284552), (8, 107052845), (10, 85642276), (20, 42821138), (40, 21410569), (41, 20888360), (53, 16158920), (59, 14515640), (82, 10444180), (106, 8079460), (118, 7257820), (164, 5222090), (167, 5128280), (205, 4177672), (212, 4039730), (236, 3628910), (265, 3231784), (295, 2903128), (328, 2611045), (334, 2564140), (410, 2088836), (424, 2019865), (472, 1814455), (530, 1615892), (590, 1451564), (668, 1282070), (820, 1044418), (835, 1025656), (1060, 807946), (1180, 725782), (1336, 641035), (1640, 522209), (1670, 512828), (2120, 403973), (2173, 394120), (2360, 362891), (2419, 354040), (3127, 273880), (3340, 256414), (4346, 197060), (4838, 177020), (6254, 136940), (6680, 128207), (6847, 125080), (8692, 98530), (8851, 96760), (9676, 88510), (9853, 86920), (10865, 78824), (12095, 70808), (12508, 68470), (13694, 62540), (15635, 54776), (17384, 49265), (17702, 48380), (19352, 44255), (19706, 43460), (21730, 39412), (24190, 35404), (25016, 34235), (27388, 31270)]