218979840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{28513}}^1$

素因数の和:28539

約数の個数: 80

約数和(自身を含む): 700075728

約数和(自身を除く): 481095888

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, 28513, 57026, 85539, 114052, 142565, 171078, 228104, 285130, 342156, 427695, 456208, 570260, 684312, 855390, 912416, 1140520, 1368624, 1710780, 1824832, 2281040, 2737248, 3421560, 3649664, 4562080, 5474496, 6843120, 7299328, 9124160, 10948992, 13686240, 14598656, 18248320, 21897984, 27372480, 36496640, 43795968, 54744960, 72993280, 109489920, 218979840]

約数ペア:

[(1, 218979840), (2, 109489920), (3, 72993280), (4, 54744960), (5, 43795968), (6, 36496640), (8, 27372480), (10, 21897984), (12, 18248320), (15, 14598656), (16, 13686240), (20, 10948992), (24, 9124160), (30, 7299328), (32, 6843120), (40, 5474496), (48, 4562080), (60, 3649664), (64, 3421560), (80, 2737248), (96, 2281040), (120, 1824832), (128, 1710780), (160, 1368624), (192, 1140520), (240, 912416), (256, 855390), (320, 684312), (384, 570260), (480, 456208), (512, 427695), (640, 342156), (768, 285130), (960, 228104), (1280, 171078), (1536, 142565), (1920, 114052), (2560, 85539), (3840, 57026), (7680, 28513)]