101726720

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:605

約数の個数: 80

約数和(自身を含む): 247484160

約数和(自身を除く): 145757440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 503, 512, 632, 640, 790, 1006, 1264, 1280, 1580, 2012, 2515, 2528, 2560, 3160, 4024, 5030, 5056, 6320, 8048, 10060, 10112, 12640, 16096, 20120, 20224, 25280, 32192, 39737, 40240, 40448, 50560, 64384, 79474, 80480, 101120, 128768, 158948, 160960, 198685, 202240, 257536, 317896, 321920, 397370, 635792, 643840, 794740, 1271584, 1287680, 1589480, 2543168, 3178960, 5086336, 6357920, 10172672, 12715840, 20345344, 25431680, 50863360, 101726720]

約数ペア:

[(1, 101726720), (2, 50863360), (4, 25431680), (5, 20345344), (8, 12715840), (10, 10172672), (16, 6357920), (20, 5086336), (32, 3178960), (40, 2543168), (64, 1589480), (79, 1287680), (80, 1271584), (128, 794740), (158, 643840), (160, 635792), (256, 397370), (316, 321920), (320, 317896), (395, 257536), (503, 202240), (512, 198685), (632, 160960), (640, 158948), (790, 128768), (1006, 101120), (1264, 80480), (1280, 79474), (1580, 64384), (2012, 50560), (2515, 40448), (2528, 40240), (2560, 39737), (3160, 32192), (4024, 25280), (5030, 20224), (5056, 20120), (6320, 16096), (8048, 12640), (10060, 10112)]