157417840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 380654208

約数和(自身を除く): 223236368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 67, 80, 86, 134, 172, 215, 268, 335, 344, 430, 536, 670, 683, 688, 860, 1072, 1340, 1366, 1720, 2680, 2732, 2881, 3415, 3440, 5360, 5464, 5762, 6830, 10928, 11524, 13660, 14405, 23048, 27320, 28810, 29369, 45761, 46096, 54640, 57620, 58738, 91522, 115240, 117476, 146845, 183044, 228805, 230480, 234952, 293690, 366088, 457610, 469904, 587380, 732176, 915220, 1174760, 1830440, 1967723, 2349520, 3660880, 3935446, 7870892, 9838615, 15741784, 19677230, 31483568, 39354460, 78708920, 157417840]

約数ペア:

[(1, 157417840), (2, 78708920), (4, 39354460), (5, 31483568), (8, 19677230), (10, 15741784), (16, 9838615), (20, 7870892), (40, 3935446), (43, 3660880), (67, 2349520), (80, 1967723), (86, 1830440), (134, 1174760), (172, 915220), (215, 732176), (268, 587380), (335, 469904), (344, 457610), (430, 366088), (536, 293690), (670, 234952), (683, 230480), (688, 228805), (860, 183044), (1072, 146845), (1340, 117476), (1366, 115240), (1720, 91522), (2680, 58738), (2732, 57620), (2881, 54640), (3415, 46096), (3440, 45761), (5360, 29369), (5464, 28810), (5762, 27320), (6830, 23048), (10928, 14405), (11524, 13660)]