401139840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{208927}}^1$

素因数の和:208949

約数の個数: 64

約数和(自身を含む): 1278639360

約数和(自身を除く): 877499520

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, 320, 384, 480, 640, 960, 1920, 208927, 417854, 626781, 835708, 1044635, 1253562, 1671416, 2089270, 2507124, 3133905, 3342832, 4178540, 5014248, 6267810, 6685664, 8357080, 10028496, 12535620, 13371328, 16714160, 20056992, 25071240, 26742656, 33428320, 40113984, 50142480, 66856640, 80227968, 100284960, 133713280, 200569920, 401139840]

約数ペア:

[(1, 401139840), (2, 200569920), (3, 133713280), (4, 100284960), (5, 80227968), (6, 66856640), (8, 50142480), (10, 40113984), (12, 33428320), (15, 26742656), (16, 25071240), (20, 20056992), (24, 16714160), (30, 13371328), (32, 12535620), (40, 10028496), (48, 8357080), (60, 6685664), (64, 6267810), (80, 5014248), (96, 4178540), (120, 3342832), (128, 3133905), (160, 2507124), (192, 2089270), (240, 1671416), (320, 1253562), (384, 1044635), (480, 835708), (640, 626781), (960, 417854), (1920, 208927)]