723841040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3533}}^1$

素因数の和:3756

約数の個数: 80

約数和(自身を含む): 1822102128

約数和(自身を除く): 1098261088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 197, 208, 260, 394, 520, 788, 985, 1040, 1576, 1970, 2561, 3152, 3533, 3940, 5122, 7066, 7880, 10244, 12805, 14132, 15760, 17665, 20488, 25610, 28264, 35330, 40976, 45929, 51220, 56528, 70660, 91858, 102440, 141320, 183716, 204880, 229645, 282640, 367432, 459290, 696001, 734864, 918580, 1392002, 1837160, 2784004, 3480005, 3674320, 5568008, 6960010, 9048013, 11136016, 13920020, 18096026, 27840040, 36192052, 45240065, 55680080, 72384104, 90480130, 144768208, 180960260, 361920520, 723841040]

約数ペア:

[(1, 723841040), (2, 361920520), (4, 180960260), (5, 144768208), (8, 90480130), (10, 72384104), (13, 55680080), (16, 45240065), (20, 36192052), (26, 27840040), (40, 18096026), (52, 13920020), (65, 11136016), (80, 9048013), (104, 6960010), (130, 5568008), (197, 3674320), (208, 3480005), (260, 2784004), (394, 1837160), (520, 1392002), (788, 918580), (985, 734864), (1040, 696001), (1576, 459290), (1970, 367432), (2561, 282640), (3152, 229645), (3533, 204880), (3940, 183716), (5122, 141320), (7066, 102440), (7880, 91858), (10244, 70660), (12805, 56528), (14132, 51220), (15760, 45929), (17665, 40976), (20488, 35330), (25610, 28264)]