719811879280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4408451}}^1$

素因数の和:4408634

約数の個数: 80

約数和(自身を含む): 1813778223264

約数和(自身を除く): 1093966343984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 157, 208, 260, 314, 520, 628, 785, 1040, 1256, 1570, 2041, 2512, 3140, 4082, 6280, 8164, 10205, 12560, 16328, 20410, 32656, 40820, 81640, 163280, 4408451, 8816902, 17633804, 22042255, 35267608, 44084510, 57309863, 70535216, 88169020, 114619726, 176338040, 229239452, 286549315, 352676080, 458478904, 573098630, 692126807, 916957808, 1146197260, 1384253614, 2292394520, 2768507228, 3460634035, 4584789040, 5537014456, 6921268070, 8997648491, 11074028912, 13842536140, 17995296982, 27685072280, 35990593964, 44988242455, 55370144560, 71981187928, 89976484910, 143962375856, 179952969820, 359905939640, 719811879280]

約数ペア:

[(1, 719811879280), (2, 359905939640), (4, 179952969820), (5, 143962375856), (8, 89976484910), (10, 71981187928), (13, 55370144560), (16, 44988242455), (20, 35990593964), (26, 27685072280), (40, 17995296982), (52, 13842536140), (65, 11074028912), (80, 8997648491), (104, 6921268070), (130, 5537014456), (157, 4584789040), (208, 3460634035), (260, 2768507228), (314, 2292394520), (520, 1384253614), (628, 1146197260), (785, 916957808), (1040, 692126807), (1256, 573098630), (1570, 458478904), (2041, 352676080), (2512, 286549315), (3140, 229239452), (4082, 176338040), (6280, 114619726), (8164, 88169020), (10205, 70535216), (12560, 57309863), (16328, 44084510), (20410, 35267608), (32656, 22042255), (40820, 17633804), (81640, 8816902), (163280, 4408451)]