1257813760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{140381}}^1$

素因数の和:140409

約数の個数: 72

約数和(自身を含む): 3443289696

約数和(自身を除く): 2185475936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 140381, 280762, 561524, 701905, 982667, 1123048, 1403810, 1965334, 2246096, 2807620, 3930668, 4492192, 4913335, 5615240, 7861336, 8984384, 9826670, 11230480, 15722672, 17968768, 19653340, 22460960, 31445344, 35937536, 39306680, 44921920, 62890688, 78613360, 89843840, 125781376, 157226720, 179687680, 251562752, 314453440, 628906880, 1257813760]

約数ペア:

[(1, 1257813760), (2, 628906880), (4, 314453440), (5, 251562752), (7, 179687680), (8, 157226720), (10, 125781376), (14, 89843840), (16, 78613360), (20, 62890688), (28, 44921920), (32, 39306680), (35, 35937536), (40, 31445344), (56, 22460960), (64, 19653340), (70, 17968768), (80, 15722672), (112, 11230480), (128, 9826670), (140, 8984384), (160, 7861336), (224, 5615240), (256, 4913335), (280, 4492192), (320, 3930668), (448, 2807620), (560, 2246096), (640, 1965334), (896, 1403810), (1120, 1123048), (1280, 982667), (1792, 701905), (2240, 561524), (4480, 280762), (8960, 140381)]