720560960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{321679}}^1$

素因数の和:321703

約数の個数: 56

約数和(自身を含む): 1960961280

約数和(自身を除く): 1240400320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 321679, 643358, 1286716, 1608395, 2251753, 2573432, 3216790, 4503506, 5146864, 6433580, 9007012, 10293728, 11258765, 12867160, 18014024, 20587456, 22517530, 25734320, 36028048, 45035060, 51468640, 72056096, 90070120, 102937280, 144112192, 180140240, 360280480, 720560960]

約数ペア:

[(1, 720560960), (2, 360280480), (4, 180140240), (5, 144112192), (7, 102937280), (8, 90070120), (10, 72056096), (14, 51468640), (16, 45035060), (20, 36028048), (28, 25734320), (32, 22517530), (35, 20587456), (40, 18014024), (56, 12867160), (64, 11258765), (70, 10293728), (80, 9007012), (112, 6433580), (140, 5146864), (160, 4503506), (224, 3216790), (280, 2573432), (320, 2251753), (448, 1608395), (560, 1286716), (1120, 643358), (2240, 321679)]