128868408

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2890

約数の個数: 80

約数和(自身を含む): 366165360

約数和(自身を除く): 237296952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 568, 639, 648, 852, 1278, 1704, 1917, 2556, 2801, 3834, 5112, 5602, 5751, 7668, 8403, 11204, 11502, 15336, 16806, 22408, 23004, 25209, 33612, 46008, 50418, 67224, 75627, 100836, 151254, 198871, 201672, 226881, 302508, 397742, 453762, 596613, 605016, 795484, 907524, 1193226, 1590968, 1789839, 1815048, 2386452, 3579678, 4772904, 5369517, 7159356, 10739034, 14318712, 16108551, 21478068, 32217102, 42956136, 64434204, 128868408]

約数ペア:

[(1, 128868408), (2, 64434204), (3, 42956136), (4, 32217102), (6, 21478068), (8, 16108551), (9, 14318712), (12, 10739034), (18, 7159356), (24, 5369517), (27, 4772904), (36, 3579678), (54, 2386452), (71, 1815048), (72, 1789839), (81, 1590968), (108, 1193226), (142, 907524), (162, 795484), (213, 605016), (216, 596613), (284, 453762), (324, 397742), (426, 302508), (568, 226881), (639, 201672), (648, 198871), (852, 151254), (1278, 100836), (1704, 75627), (1917, 67224), (2556, 50418), (2801, 46008), (3834, 33612), (5112, 25209), (5602, 23004), (5751, 22408), (7668, 16806), (8403, 15336), (11204, 11502)]