72869600

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1153}}^1$

素因数の和:1252

約数の個数: 72

約数和(自身を含む): 180300960

約数和(自身を除く): 107431360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1153, 1264, 1580, 1975, 2306, 2528, 3160, 3950, 4612, 5765, 6320, 7900, 9224, 11530, 12640, 15800, 18448, 23060, 28825, 31600, 36896, 46120, 57650, 63200, 91087, 92240, 115300, 182174, 184480, 230600, 364348, 455435, 461200, 728696, 910870, 922400, 1457392, 1821740, 2277175, 2914784, 3643480, 4554350, 7286960, 9108700, 14573920, 18217400, 36434800, 72869600]

約数ペア:

[(1, 72869600), (2, 36434800), (4, 18217400), (5, 14573920), (8, 9108700), (10, 7286960), (16, 4554350), (20, 3643480), (25, 2914784), (32, 2277175), (40, 1821740), (50, 1457392), (79, 922400), (80, 910870), (100, 728696), (158, 461200), (160, 455435), (200, 364348), (316, 230600), (395, 184480), (400, 182174), (632, 115300), (790, 92240), (800, 91087), (1153, 63200), (1264, 57650), (1580, 46120), (1975, 36896), (2306, 31600), (2528, 28825), (3160, 23060), (3950, 18448), (4612, 15800), (5765, 12640), (6320, 11530), (7900, 9224)]