665771520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{86689}}^1$

素因数の和:86715

約数の個数: 80

約数和(自身を含む): 2128412880

約数和(自身を除く): 1462641360

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, 86689, 173378, 260067, 346756, 433445, 520134, 693512, 866890, 1040268, 1300335, 1387024, 1733780, 2080536, 2600670, 2774048, 3467560, 4161072, 5201340, 5548096, 6935120, 8322144, 10402680, 11096192, 13870240, 16644288, 20805360, 22192384, 27740480, 33288576, 41610720, 44384768, 55480960, 66577152, 83221440, 110961920, 133154304, 166442880, 221923840, 332885760, 665771520]

約数ペア:

[(1, 665771520), (2, 332885760), (3, 221923840), (4, 166442880), (5, 133154304), (6, 110961920), (8, 83221440), (10, 66577152), (12, 55480960), (15, 44384768), (16, 41610720), (20, 33288576), (24, 27740480), (30, 22192384), (32, 20805360), (40, 16644288), (48, 13870240), (60, 11096192), (64, 10402680), (80, 8322144), (96, 6935120), (120, 5548096), (128, 5201340), (160, 4161072), (192, 3467560), (240, 2774048), (256, 2600670), (320, 2080536), (384, 1733780), (480, 1387024), (512, 1300335), (640, 1040268), (768, 866890), (960, 693512), (1280, 520134), (1536, 433445), (1920, 346756), (2560, 260067), (3840, 173378), (7680, 86689)]