72686960

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 174845952

約数和(自身を除く): 102158992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 71, 80, 134, 142, 191, 268, 284, 335, 355, 382, 536, 568, 670, 710, 764, 955, 1072, 1136, 1340, 1420, 1528, 1910, 2680, 2840, 3056, 3820, 4757, 5360, 5680, 7640, 9514, 12797, 13561, 15280, 19028, 23785, 25594, 27122, 38056, 47570, 51188, 54244, 63985, 67805, 76112, 95140, 102376, 108488, 127970, 135610, 190280, 204752, 216976, 255940, 271220, 380560, 511880, 542440, 908587, 1023760, 1084880, 1817174, 3634348, 4542935, 7268696, 9085870, 14537392, 18171740, 36343480, 72686960]

約数ペア:

[(1, 72686960), (2, 36343480), (4, 18171740), (5, 14537392), (8, 9085870), (10, 7268696), (16, 4542935), (20, 3634348), (40, 1817174), (67, 1084880), (71, 1023760), (80, 908587), (134, 542440), (142, 511880), (191, 380560), (268, 271220), (284, 255940), (335, 216976), (355, 204752), (382, 190280), (536, 135610), (568, 127970), (670, 108488), (710, 102376), (764, 95140), (955, 76112), (1072, 67805), (1136, 63985), (1340, 54244), (1420, 51188), (1528, 47570), (1910, 38056), (2680, 27122), (2840, 25594), (3056, 23785), (3820, 19028), (4757, 15280), (5360, 13561), (5680, 12797), (7640, 9514)]