81107850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1871}}^1$

素因数の和:1920

約数の個数: 72

約数和(自身を含む): 213789888

約数和(自身を除く): 132682038

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 289, 425, 510, 578, 850, 867, 1275, 1445, 1734, 1871, 2550, 2890, 3742, 4335, 5613, 7225, 8670, 9355, 11226, 14450, 18710, 21675, 28065, 31807, 43350, 46775, 56130, 63614, 93550, 95421, 140325, 159035, 190842, 280650, 318070, 477105, 540719, 795175, 954210, 1081438, 1590350, 1622157, 2385525, 2703595, 3244314, 4771050, 5407190, 8110785, 13517975, 16221570, 27035950, 40553925, 81107850]

約数ペア:

[(1, 81107850), (2, 40553925), (3, 27035950), (5, 16221570), (6, 13517975), (10, 8110785), (15, 5407190), (17, 4771050), (25, 3244314), (30, 2703595), (34, 2385525), (50, 1622157), (51, 1590350), (75, 1081438), (85, 954210), (102, 795175), (150, 540719), (170, 477105), (255, 318070), (289, 280650), (425, 190842), (510, 159035), (578, 140325), (850, 95421), (867, 93550), (1275, 63614), (1445, 56130), (1734, 46775), (1871, 43350), (2550, 31807), (2890, 28065), (3742, 21675), (4335, 18710), (5613, 14450), (7225, 11226), (8670, 9355)]