1387472640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{361321}}^1$

素因数の和:361345

約数の個数: 72

約数和(自身を含む): 4431253008

約数和(自身を除く): 3043780368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 361321, 722642, 1083963, 1445284, 1806605, 2167926, 2890568, 3613210, 4335852, 5419815, 5781136, 7226420, 8671704, 10839630, 11562272, 14452840, 17343408, 21679260, 23124544, 28905680, 34686816, 43358520, 46249088, 57811360, 69373632, 86717040, 92498176, 115622720, 138747264, 173434080, 231245440, 277494528, 346868160, 462490880, 693736320, 1387472640]

約数ペア:

[(1, 1387472640), (2, 693736320), (3, 462490880), (4, 346868160), (5, 277494528), (6, 231245440), (8, 173434080), (10, 138747264), (12, 115622720), (15, 92498176), (16, 86717040), (20, 69373632), (24, 57811360), (30, 46249088), (32, 43358520), (40, 34686816), (48, 28905680), (60, 23124544), (64, 21679260), (80, 17343408), (96, 14452840), (120, 11562272), (128, 10839630), (160, 8671704), (192, 7226420), (240, 5781136), (256, 5419815), (320, 4335852), (384, 3613210), (480, 2890568), (640, 2167926), (768, 1806605), (960, 1445284), (1280, 1083963), (1920, 722642), (3840, 361321)]