15932800

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 42497280

約数和(自身を除く): 26564480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 383, 400, 416, 520, 640, 650, 766, 800, 832, 1040, 1300, 1532, 1600, 1664, 1915, 2080, 2600, 3064, 3200, 3830, 4160, 4979, 5200, 6128, 7660, 8320, 9575, 9958, 10400, 12256, 15320, 19150, 19916, 20800, 24512, 24895, 30640, 38300, 39832, 41600, 49024, 49790, 61280, 76600, 79664, 99580, 122560, 124475, 153200, 159328, 199160, 245120, 248950, 306400, 318656, 398320, 497900, 612800, 637312, 796640, 995800, 1225600, 1593280, 1991600, 3186560, 3983200, 7966400, 15932800]

約数ペア:

[(1, 15932800), (2, 7966400), (4, 3983200), (5, 3186560), (8, 1991600), (10, 1593280), (13, 1225600), (16, 995800), (20, 796640), (25, 637312), (26, 612800), (32, 497900), (40, 398320), (50, 318656), (52, 306400), (64, 248950), (65, 245120), (80, 199160), (100, 159328), (104, 153200), (128, 124475), (130, 122560), (160, 99580), (200, 79664), (208, 76600), (260, 61280), (320, 49790), (325, 49024), (383, 41600), (400, 39832), (416, 38300), (520, 30640), (640, 24895), (650, 24512), (766, 20800), (800, 19916), (832, 19150), (1040, 15320), (1300, 12256), (1532, 10400), (1600, 9958), (1664, 9575), (1915, 8320), (2080, 7660), (2600, 6128), (3064, 5200), (3200, 4979), (3830, 4160)]