68731884

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 203085792

約数和(自身を除く): 134353908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 53, 68, 78, 102, 106, 117, 153, 156, 159, 163, 204, 212, 221, 234, 306, 318, 326, 442, 468, 477, 489, 612, 636, 652, 663, 689, 884, 901, 954, 978, 1326, 1378, 1467, 1802, 1908, 1956, 1989, 2067, 2119, 2652, 2703, 2756, 2771, 2934, 3604, 3978, 4134, 4238, 5406, 5542, 5868, 6201, 6357, 7956, 8109, 8268, 8313, 8476, 8639, 10812, 11084, 11713, 12402, 12714, 16218, 16626, 17278, 19071, 23426, 24804, 24939, 25428, 25917, 32436, 33252, 34556, 35139, 36023, 38142, 46852, 49878, 51834, 70278, 72046, 76284, 77751, 99756, 103668, 105417, 108069, 112307, 140556, 144092, 146863, 155502, 210834, 216138, 224614, 293726, 311004, 324207, 336921, 421668, 432276, 440589, 449228, 587452, 648414, 673842, 881178, 1010763, 1296828, 1321767, 1347684, 1762356, 1909219, 2021526, 2643534, 3818438, 4043052, 5287068, 5727657, 7636876, 11455314, 17182971, 22910628, 34365942, 68731884]

約数ペア:

[(1, 68731884), (2, 34365942), (3, 22910628), (4, 17182971), (6, 11455314), (9, 7636876), (12, 5727657), (13, 5287068), (17, 4043052), (18, 3818438), (26, 2643534), (34, 2021526), (36, 1909219), (39, 1762356), (51, 1347684), (52, 1321767), (53, 1296828), (68, 1010763), (78, 881178), (102, 673842), (106, 648414), (117, 587452), (153, 449228), (156, 440589), (159, 432276), (163, 421668), (204, 336921), (212, 324207), (221, 311004), (234, 293726), (306, 224614), (318, 216138), (326, 210834), (442, 155502), (468, 146863), (477, 144092), (489, 140556), (612, 112307), (636, 108069), (652, 105417), (663, 103668), (689, 99756), (884, 77751), (901, 76284), (954, 72046), (978, 70278), (1326, 51834), (1378, 49878), (1467, 46852), (1802, 38142), (1908, 36023), (1956, 35139), (1989, 34556), (2067, 33252), (2119, 32436), (2652, 25917), (2703, 25428), (2756, 24939), (2771, 24804), (2934, 23426), (3604, 19071), (3978, 17278), (4134, 16626), (4238, 16218), (5406, 12714), (5542, 12402), (5868, 11713), (6201, 11084), (6357, 10812), (7956, 8639), (8109, 8476), (8268, 8313)]