510237440

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2539}}^1$

素因数の和:2717

約数の個数: 72

約数和(自身を含む): 1230447120

約数和(自身を除く): 720209680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 314, 320, 628, 640, 785, 1256, 1280, 1570, 2512, 2539, 3140, 5024, 5078, 6280, 10048, 10156, 12560, 12695, 20096, 20312, 25120, 25390, 40192, 40624, 50240, 50780, 81248, 100480, 101560, 162496, 200960, 203120, 324992, 398623, 406240, 649984, 797246, 812480, 1594492, 1624960, 1993115, 3188984, 3249920, 3986230, 6377968, 7972460, 12755936, 15944920, 25511872, 31889840, 51023744, 63779680, 102047488, 127559360, 255118720, 510237440]

約数ペア:

[(1, 510237440), (2, 255118720), (4, 127559360), (5, 102047488), (8, 63779680), (10, 51023744), (16, 31889840), (20, 25511872), (32, 15944920), (40, 12755936), (64, 7972460), (80, 6377968), (128, 3986230), (157, 3249920), (160, 3188984), (256, 1993115), (314, 1624960), (320, 1594492), (628, 812480), (640, 797246), (785, 649984), (1256, 406240), (1280, 398623), (1570, 324992), (2512, 203120), (2539, 200960), (3140, 162496), (5024, 101560), (5078, 100480), (6280, 81248), (10048, 50780), (10156, 50240), (12560, 40624), (12695, 40192), (20096, 25390), (20312, 25120)]