67203640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{617}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 173534400

約数和(自身を除く): 106330760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 617, 778, 1234, 1556, 1945, 2468, 2723, 3085, 3112, 3890, 4319, 4936, 5446, 6170, 7780, 8638, 10892, 12340, 13615, 15560, 17276, 21595, 21784, 24680, 27230, 34552, 43190, 54460, 86380, 108920, 172760, 240013, 480026, 960052, 1200065, 1680091, 1920104, 2400130, 3360182, 4800260, 6720364, 8400455, 9600520, 13440728, 16800910, 33601820, 67203640]

約数ペア:

[(1, 67203640), (2, 33601820), (4, 16800910), (5, 13440728), (7, 9600520), (8, 8400455), (10, 6720364), (14, 4800260), (20, 3360182), (28, 2400130), (35, 1920104), (40, 1680091), (56, 1200065), (70, 960052), (140, 480026), (280, 240013), (389, 172760), (617, 108920), (778, 86380), (1234, 54460), (1556, 43190), (1945, 34552), (2468, 27230), (2723, 24680), (3085, 21784), (3112, 21595), (3890, 17276), (4319, 15560), (4936, 13615), (5446, 12340), (6170, 10892), (7780, 8638)]