661378560

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{86117}}^1$

素因数の和:86143

約数の個数: 80

約数和(自身を含む): 2114369136

約数和(自身を除く): 1452990576

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 86117, 172234, 258351, 344468, 430585, 516702, 688936, 861170, 1033404, 1291755, 1377872, 1722340, 2066808, 2583510, 2755744, 3444680, 4133616, 5167020, 5511488, 6889360, 8267232, 10334040, 11022976, 13778720, 16534464, 20668080, 22045952, 27557440, 33068928, 41336160, 44091904, 55114880, 66137856, 82672320, 110229760, 132275712, 165344640, 220459520, 330689280, 661378560]

約数ペア:

[(1, 661378560), (2, 330689280), (3, 220459520), (4, 165344640), (5, 132275712), (6, 110229760), (8, 82672320), (10, 66137856), (12, 55114880), (15, 44091904), (16, 41336160), (20, 33068928), (24, 27557440), (30, 22045952), (32, 20668080), (40, 16534464), (48, 13778720), (60, 11022976), (64, 10334040), (80, 8267232), (96, 6889360), (120, 5511488), (128, 5167020), (160, 4133616), (192, 3444680), (240, 2755744), (256, 2583510), (320, 2066808), (384, 1722340), (480, 1377872), (512, 1291755), (640, 1033404), (768, 861170), (960, 688936), (1280, 516702), (1536, 430585), (1920, 344468), (2560, 258351), (3840, 172234), (7680, 86117)]