71125760

素因数分解:

$2^8\times 5^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 171867696

約数和(自身を除く): 100741936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 256, 307, 320, 362, 614, 640, 724, 905, 1228, 1280, 1448, 1535, 1810, 2456, 2896, 3070, 3620, 4912, 5792, 6140, 7240, 9824, 11584, 12280, 14480, 19648, 23168, 24560, 28960, 39296, 46336, 49120, 55567, 57920, 78592, 98240, 111134, 115840, 196480, 222268, 231680, 277835, 392960, 444536, 555670, 889072, 1111340, 1778144, 2222680, 3556288, 4445360, 7112576, 8890720, 14225152, 17781440, 35562880, 71125760]

約数ペア:

[(1, 71125760), (2, 35562880), (4, 17781440), (5, 14225152), (8, 8890720), (10, 7112576), (16, 4445360), (20, 3556288), (32, 2222680), (40, 1778144), (64, 1111340), (80, 889072), (128, 555670), (160, 444536), (181, 392960), (256, 277835), (307, 231680), (320, 222268), (362, 196480), (614, 115840), (640, 111134), (724, 98240), (905, 78592), (1228, 57920), (1280, 55567), (1448, 49120), (1535, 46336), (1810, 39296), (2456, 28960), (2896, 24560), (3070, 23168), (3620, 19648), (4912, 14480), (5792, 12280), (6140, 11584), (7240, 9824)]