123446240

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7639}}^1$

素因数の和:7755

約数の個数: 48

約数和(自身を含む): 294567840

約数和(自身を除く): 171121600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 7639, 8080, 15278, 16160, 30556, 38195, 61112, 76390, 122224, 152780, 244448, 305560, 611120, 771539, 1222240, 1543078, 3086156, 3857695, 6172312, 7715390, 12344624, 15430780, 24689248, 30861560, 61723120, 123446240]

約数ペア:

[(1, 123446240), (2, 61723120), (4, 30861560), (5, 24689248), (8, 15430780), (10, 12344624), (16, 7715390), (20, 6172312), (32, 3857695), (40, 3086156), (80, 1543078), (101, 1222240), (160, 771539), (202, 611120), (404, 305560), (505, 244448), (808, 152780), (1010, 122224), (1616, 76390), (2020, 61112), (3232, 38195), (4040, 30556), (7639, 16160), (8080, 15278)]