320976800

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5651}}^1$

素因数の和:5742

約数の個数: 72

約数和(自身を含む): 794761632

約数和(自身を除く): 473784832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1136, 1420, 1775, 2272, 2840, 3550, 5651, 5680, 7100, 11302, 11360, 14200, 22604, 28255, 28400, 45208, 56510, 56800, 90416, 113020, 141275, 180832, 226040, 282550, 401221, 452080, 565100, 802442, 904160, 1130200, 1604884, 2006105, 2260400, 3209768, 4012210, 4520800, 6419536, 8024420, 10030525, 12839072, 16048840, 20061050, 32097680, 40122100, 64195360, 80244200, 160488400, 320976800]

約数ペア:

[(1, 320976800), (2, 160488400), (4, 80244200), (5, 64195360), (8, 40122100), (10, 32097680), (16, 20061050), (20, 16048840), (25, 12839072), (32, 10030525), (40, 8024420), (50, 6419536), (71, 4520800), (80, 4012210), (100, 3209768), (142, 2260400), (160, 2006105), (200, 1604884), (284, 1130200), (355, 904160), (400, 802442), (568, 565100), (710, 452080), (800, 401221), (1136, 282550), (1420, 226040), (1775, 180832), (2272, 141275), (2840, 113020), (3550, 90416), (5651, 56800), (5680, 56510), (7100, 45208), (11302, 28400), (11360, 28255), (14200, 22604)]