15291242125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1079

約数の個数: 64

約数和(自身を含む): 20387727360

約数和(自身を除く): 5096485235

約数列:

[1, 5, 25, 31, 41, 109, 125, 155, 205, 545, 775, 883, 1025, 1271, 2725, 3379, 3875, 4415, 4469, 5125, 6355, 13625, 16895, 22075, 22345, 27373, 31775, 36203, 84475, 96247, 110375, 111725, 136865, 138539, 158875, 181015, 422375, 481235, 558625, 684325, 692695, 905075, 1122293, 2406175, 2983657, 3421625, 3463475, 3946127, 4525375, 5611465, 12030875, 14918285, 17317375, 19730635, 28057325, 74591425, 98653175, 122329937, 140286625, 372957125, 493265875, 611649685, 3058248425, 15291242125]

約数ペア:

[(1, 15291242125), (5, 3058248425), (25, 611649685), (31, 493265875), (41, 372957125), (109, 140286625), (125, 122329937), (155, 98653175), (205, 74591425), (545, 28057325), (775, 19730635), (883, 17317375), (1025, 14918285), (1271, 12030875), (2725, 5611465), (3379, 4525375), (3875, 3946127), (4415, 3463475), (4469, 3421625), (5125, 2983657), (6355, 2406175), (13625, 1122293), (16895, 905075), (22075, 692695), (22345, 684325), (27373, 558625), (31775, 481235), (36203, 422375), (84475, 181015), (96247, 158875), (110375, 138539), (111725, 136865)]