64194160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 158695200

約数和(自身を除く): 94501040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 157, 190, 269, 304, 314, 380, 538, 628, 760, 785, 1076, 1256, 1345, 1520, 1570, 2152, 2512, 2690, 2983, 3140, 4304, 5111, 5380, 5966, 6280, 10222, 10760, 11932, 12560, 14915, 20444, 21520, 23864, 25555, 29830, 40888, 42233, 47728, 51110, 59660, 81776, 84466, 102220, 119320, 168932, 204440, 211165, 238640, 337864, 408880, 422330, 675728, 802427, 844660, 1604854, 1689320, 3209708, 3378640, 4012135, 6419416, 8024270, 12838832, 16048540, 32097080, 64194160]

約数ペア:

[(1, 64194160), (2, 32097080), (4, 16048540), (5, 12838832), (8, 8024270), (10, 6419416), (16, 4012135), (19, 3378640), (20, 3209708), (38, 1689320), (40, 1604854), (76, 844660), (80, 802427), (95, 675728), (152, 422330), (157, 408880), (190, 337864), (269, 238640), (304, 211165), (314, 204440), (380, 168932), (538, 119320), (628, 102220), (760, 84466), (785, 81776), (1076, 59660), (1256, 51110), (1345, 47728), (1520, 42233), (1570, 40888), (2152, 29830), (2512, 25555), (2690, 23864), (2983, 21520), (3140, 20444), (4304, 14915), (5111, 12560), (5380, 11932), (5966, 10760), (6280, 10222)]