1431261440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{159739}}^1$

素因数の和:159767

約数の個数: 72

約数和(自身を含む): 3918102720

約数和(自身を除く): 2486841280

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, 159739, 319478, 638956, 798695, 1118173, 1277912, 1597390, 2236346, 2555824, 3194780, 4472692, 5111648, 5590865, 6389560, 8945384, 10223296, 11181730, 12779120, 17890768, 20446592, 22363460, 25558240, 35781536, 40893184, 44726920, 51116480, 71563072, 89453840, 102232960, 143126144, 178907680, 204465920, 286252288, 357815360, 715630720, 1431261440]

約数ペア:

[(1, 1431261440), (2, 715630720), (4, 357815360), (5, 286252288), (7, 204465920), (8, 178907680), (10, 143126144), (14, 102232960), (16, 89453840), (20, 71563072), (28, 51116480), (32, 44726920), (35, 40893184), (40, 35781536), (56, 25558240), (64, 22363460), (70, 20446592), (80, 17890768), (112, 12779120), (128, 11181730), (140, 10223296), (160, 8945384), (224, 6389560), (256, 5590865), (280, 5111648), (320, 4472692), (448, 3194780), (560, 2555824), (640, 2236346), (896, 1597390), (1120, 1277912), (1280, 1118173), (1792, 798695), (2240, 638956), (4480, 319478), (8960, 159739)]