381125625

素因数分解:

$3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 671784960

約数和(自身を除く): 290659335

約数列:

[1, 3, 5, 15, 25, 31, 75, 79, 83, 93, 125, 155, 237, 249, 375, 395, 415, 465, 625, 775, 1185, 1245, 1875, 1975, 2075, 2325, 2449, 2573, 3875, 5925, 6225, 6557, 7347, 7719, 9875, 10375, 11625, 12245, 12865, 19375, 19671, 29625, 31125, 32785, 36735, 38595, 49375, 51875, 58125, 61225, 64325, 98355, 148125, 155625, 163925, 183675, 192975, 203267, 306125, 321625, 491775, 609801, 819625, 918375, 964875, 1016335, 1530625, 1608125, 2458875, 3049005, 4098125, 4591875, 4824375, 5081675, 12294375, 15245025, 25408375, 76225125, 127041875, 381125625]

約数ペア:

[(1, 381125625), (3, 127041875), (5, 76225125), (15, 25408375), (25, 15245025), (31, 12294375), (75, 5081675), (79, 4824375), (83, 4591875), (93, 4098125), (125, 3049005), (155, 2458875), (237, 1608125), (249, 1530625), (375, 1016335), (395, 964875), (415, 918375), (465, 819625), (625, 609801), (775, 491775), (1185, 321625), (1245, 306125), (1875, 203267), (1975, 192975), (2075, 183675), (2325, 163925), (2449, 155625), (2573, 148125), (3875, 98355), (5925, 64325), (6225, 61225), (6557, 58125), (7347, 51875), (7719, 49375), (9875, 38595), (10375, 36735), (11625, 32785), (12245, 31125), (12865, 29625), (19375, 19671)]