81716000

素因数分解:

$2^5\times 5^3\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 207567360

約数和(自身を除く): 125851360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 400, 496, 500, 620, 659, 775, 800, 992, 1000, 1240, 1318, 1550, 2000, 2480, 2636, 3100, 3295, 3875, 4000, 4960, 5272, 6200, 6590, 7750, 10544, 12400, 13180, 15500, 16475, 20429, 21088, 24800, 26360, 31000, 32950, 40858, 52720, 62000, 65900, 81716, 82375, 102145, 105440, 124000, 131800, 163432, 164750, 204290, 263600, 326864, 329500, 408580, 510725, 527200, 653728, 659000, 817160, 1021450, 1318000, 1634320, 2042900, 2553625, 2636000, 3268640, 4085800, 5107250, 8171600, 10214500, 16343200, 20429000, 40858000, 81716000]

約数ペア:

[(1, 81716000), (2, 40858000), (4, 20429000), (5, 16343200), (8, 10214500), (10, 8171600), (16, 5107250), (20, 4085800), (25, 3268640), (31, 2636000), (32, 2553625), (40, 2042900), (50, 1634320), (62, 1318000), (80, 1021450), (100, 817160), (124, 659000), (125, 653728), (155, 527200), (160, 510725), (200, 408580), (248, 329500), (250, 326864), (310, 263600), (400, 204290), (496, 164750), (500, 163432), (620, 131800), (659, 124000), (775, 105440), (800, 102145), (992, 82375), (1000, 81716), (1240, 65900), (1318, 62000), (1550, 52720), (2000, 40858), (2480, 32950), (2636, 31000), (3100, 26360), (3295, 24800), (3875, 21088), (4000, 20429), (4960, 16475), (5272, 15500), (6200, 13180), (6590, 12400), (7750, 10544)]