320713280

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11261}}^1$

素因数の和:11367

約数の個数: 56

約数和(自身を含む): 772347960

約数和(自身を除く): 451634680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 11261, 14240, 22522, 28480, 45044, 56305, 90088, 112610, 180176, 225220, 360352, 450440, 720704, 900880, 1002229, 1801760, 2004458, 3603520, 4008916, 5011145, 8017832, 10022290, 16035664, 20044580, 32071328, 40089160, 64142656, 80178320, 160356640, 320713280]

約数ペア:

[(1, 320713280), (2, 160356640), (4, 80178320), (5, 64142656), (8, 40089160), (10, 32071328), (16, 20044580), (20, 16035664), (32, 10022290), (40, 8017832), (64, 5011145), (80, 4008916), (89, 3603520), (160, 2004458), (178, 1801760), (320, 1002229), (356, 900880), (445, 720704), (712, 450440), (890, 360352), (1424, 225220), (1780, 180176), (2848, 112610), (3560, 90088), (5696, 56305), (7120, 45044), (11261, 28480), (14240, 22522)]