268528240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1093}}^1$

素因数の和:1226

約数の個数: 80

約数和(自身を含む): 649520928

約数和(自身を除く): 380992688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 83, 148, 166, 185, 296, 332, 370, 415, 592, 664, 740, 830, 1093, 1328, 1480, 1660, 2186, 2960, 3071, 3320, 4372, 5465, 6142, 6640, 8744, 10930, 12284, 15355, 17488, 21860, 24568, 30710, 40441, 43720, 49136, 61420, 80882, 87440, 90719, 122840, 161764, 181438, 202205, 245680, 323528, 362876, 404410, 453595, 647056, 725752, 808820, 907190, 1451504, 1617640, 1814380, 3235280, 3356603, 3628760, 6713206, 7257520, 13426412, 16783015, 26852824, 33566030, 53705648, 67132060, 134264120, 268528240]

約数ペア:

[(1, 268528240), (2, 134264120), (4, 67132060), (5, 53705648), (8, 33566030), (10, 26852824), (16, 16783015), (20, 13426412), (37, 7257520), (40, 6713206), (74, 3628760), (80, 3356603), (83, 3235280), (148, 1814380), (166, 1617640), (185, 1451504), (296, 907190), (332, 808820), (370, 725752), (415, 647056), (592, 453595), (664, 404410), (740, 362876), (830, 323528), (1093, 245680), (1328, 202205), (1480, 181438), (1660, 161764), (2186, 122840), (2960, 90719), (3071, 87440), (3320, 80882), (4372, 61420), (5465, 49136), (6142, 43720), (6640, 40441), (8744, 30710), (10930, 24568), (12284, 21860), (15355, 17488)]