641153280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{166967}}^1$

素因数の和:166991

約数の個数: 72

約数和(自身を含む): 2047695552

約数和(自身を除く): 1406542272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 166967, 333934, 500901, 667868, 834835, 1001802, 1335736, 1669670, 2003604, 2504505, 2671472, 3339340, 4007208, 5009010, 5342944, 6678680, 8014416, 10018020, 10685888, 13357360, 16028832, 20036040, 21371776, 26714720, 32057664, 40072080, 42743552, 53429440, 64115328, 80144160, 106858880, 128230656, 160288320, 213717760, 320576640, 641153280]

約数ペア:

[(1, 641153280), (2, 320576640), (3, 213717760), (4, 160288320), (5, 128230656), (6, 106858880), (8, 80144160), (10, 64115328), (12, 53429440), (15, 42743552), (16, 40072080), (20, 32057664), (24, 26714720), (30, 21371776), (32, 20036040), (40, 16028832), (48, 13357360), (60, 10685888), (64, 10018020), (80, 8014416), (96, 6678680), (120, 5342944), (128, 5009010), (160, 4007208), (192, 3339340), (240, 2671472), (256, 2504505), (320, 2003604), (384, 1669670), (480, 1335736), (640, 1001802), (768, 834835), (960, 667868), (1280, 500901), (1920, 333934), (3840, 166967)]