68772080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:858

約数の個数: 80

約数和(自身を含む): 174363840

約数和(自身を除く): 105591760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 712, 743, 890, 1040, 1157, 1424, 1486, 1780, 2314, 2972, 3560, 3715, 4628, 5785, 5944, 7120, 7430, 9256, 9659, 11570, 11888, 14860, 18512, 19318, 23140, 29720, 38636, 46280, 48295, 59440, 66127, 77272, 92560, 96590, 132254, 154544, 193180, 264508, 330635, 386360, 529016, 661270, 772720, 859651, 1058032, 1322540, 1719302, 2645080, 3438604, 4298255, 5290160, 6877208, 8596510, 13754416, 17193020, 34386040, 68772080]

約数ペア:

[(1, 68772080), (2, 34386040), (4, 17193020), (5, 13754416), (8, 8596510), (10, 6877208), (13, 5290160), (16, 4298255), (20, 3438604), (26, 2645080), (40, 1719302), (52, 1322540), (65, 1058032), (80, 859651), (89, 772720), (104, 661270), (130, 529016), (178, 386360), (208, 330635), (260, 264508), (356, 193180), (445, 154544), (520, 132254), (712, 96590), (743, 92560), (890, 77272), (1040, 66127), (1157, 59440), (1424, 48295), (1486, 46280), (1780, 38636), (2314, 29720), (2972, 23140), (3560, 19318), (3715, 18512), (4628, 14860), (5785, 11888), (5944, 11570), (7120, 9659), (7430, 9256)]