68652800

素因数分解:

$2^8\times 5^2\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:674

約数の個数: 108

約数和(自身を含む): 180207216

約数和(自身を除く): 111554416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 320, 340, 400, 425, 544, 631, 640, 680, 800, 850, 1088, 1262, 1280, 1360, 1600, 1700, 2176, 2524, 2720, 3155, 3200, 3400, 4352, 5048, 5440, 6310, 6400, 6800, 10096, 10727, 10880, 12620, 13600, 15775, 20192, 21454, 21760, 25240, 27200, 31550, 40384, 42908, 50480, 53635, 54400, 63100, 80768, 85816, 100960, 107270, 108800, 126200, 161536, 171632, 201920, 214540, 252400, 268175, 343264, 403840, 429080, 504800, 536350, 686528, 807680, 858160, 1009600, 1072700, 1373056, 1716320, 2019200, 2145400, 2746112, 3432640, 4038400, 4290800, 6865280, 8581600, 13730560, 17163200, 34326400, 68652800]

約数ペア:

[(1, 68652800), (2, 34326400), (4, 17163200), (5, 13730560), (8, 8581600), (10, 6865280), (16, 4290800), (17, 4038400), (20, 3432640), (25, 2746112), (32, 2145400), (34, 2019200), (40, 1716320), (50, 1373056), (64, 1072700), (68, 1009600), (80, 858160), (85, 807680), (100, 686528), (128, 536350), (136, 504800), (160, 429080), (170, 403840), (200, 343264), (256, 268175), (272, 252400), (320, 214540), (340, 201920), (400, 171632), (425, 161536), (544, 126200), (631, 108800), (640, 107270), (680, 100960), (800, 85816), (850, 80768), (1088, 63100), (1262, 54400), (1280, 53635), (1360, 50480), (1600, 42908), (1700, 40384), (2176, 31550), (2524, 27200), (2720, 25240), (3155, 21760), (3200, 21454), (3400, 20192), (4352, 15775), (5048, 13600), (5440, 12620), (6310, 10880), (6400, 10727), (6800, 10096)]