128878776

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{15299}}^1$

素因数の和:15330

約数の個数: 80

約数和(自身を含む): 388773000

約数和(自身を除く): 259894224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 15299, 30598, 45897, 61196, 91794, 122392, 137691, 183588, 198887, 275382, 367176, 397774, 413073, 550764, 596661, 795548, 826146, 1101528, 1193322, 1239219, 1591096, 1652292, 1789983, 2386644, 2478438, 3304584, 3579966, 4773288, 4956876, 5369949, 7159932, 9913752, 10739898, 14319864, 16109847, 21479796, 32219694, 42959592, 64439388, 128878776]

約数ペア:

[(1, 128878776), (2, 64439388), (3, 42959592), (4, 32219694), (6, 21479796), (8, 16109847), (9, 14319864), (12, 10739898), (13, 9913752), (18, 7159932), (24, 5369949), (26, 4956876), (27, 4773288), (36, 3579966), (39, 3304584), (52, 2478438), (54, 2386644), (72, 1789983), (78, 1652292), (81, 1591096), (104, 1239219), (108, 1193322), (117, 1101528), (156, 826146), (162, 795548), (216, 596661), (234, 550764), (312, 413073), (324, 397774), (351, 367176), (468, 275382), (648, 198887), (702, 183588), (936, 137691), (1053, 122392), (1404, 91794), (2106, 61196), (2808, 45897), (4212, 30598), (8424, 15299)]