128187612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 385781760

約数和(自身を除く): 257594148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 79, 84, 94, 126, 137, 141, 158, 188, 237, 252, 274, 282, 316, 329, 411, 423, 474, 548, 553, 564, 658, 711, 822, 846, 948, 959, 987, 1106, 1233, 1316, 1422, 1644, 1659, 1692, 1918, 1974, 2212, 2466, 2844, 2877, 2961, 3318, 3713, 3836, 3948, 4932, 4977, 5754, 5922, 6439, 6636, 7426, 8631, 9954, 10823, 11139, 11508, 11844, 12878, 14852, 17262, 19317, 19908, 21646, 22278, 25756, 25991, 32469, 33417, 34524, 38634, 43292, 44556, 45073, 51982, 57951, 64938, 66834, 75761, 77268, 77973, 90146, 97407, 103964, 115902, 129876, 133668, 135219, 151522, 155946, 180292, 194814, 227283, 231804, 233919, 270438, 303044, 311892, 389628, 405657, 454566, 467838, 508681, 540876, 681849, 811314, 909132, 935676, 1017362, 1363698, 1526043, 1622628, 2034724, 2727396, 3052086, 3560767, 4578129, 6104172, 7121534, 9156258, 10682301, 14243068, 18312516, 21364602, 32046903, 42729204, 64093806, 128187612]

約数ペア:

[(1, 128187612), (2, 64093806), (3, 42729204), (4, 32046903), (6, 21364602), (7, 18312516), (9, 14243068), (12, 10682301), (14, 9156258), (18, 7121534), (21, 6104172), (28, 4578129), (36, 3560767), (42, 3052086), (47, 2727396), (63, 2034724), (79, 1622628), (84, 1526043), (94, 1363698), (126, 1017362), (137, 935676), (141, 909132), (158, 811314), (188, 681849), (237, 540876), (252, 508681), (274, 467838), (282, 454566), (316, 405657), (329, 389628), (411, 311892), (423, 303044), (474, 270438), (548, 233919), (553, 231804), (564, 227283), (658, 194814), (711, 180292), (822, 155946), (846, 151522), (948, 135219), (959, 133668), (987, 129876), (1106, 115902), (1233, 103964), (1316, 97407), (1422, 90146), (1644, 77973), (1659, 77268), (1692, 75761), (1918, 66834), (1974, 64938), (2212, 57951), (2466, 51982), (2844, 45073), (2877, 44556), (2961, 43292), (3318, 38634), (3713, 34524), (3836, 33417), (3948, 32469), (4932, 25991), (4977, 25756), (5754, 22278), (5922, 21646), (6439, 19908), (6636, 19317), (7426, 17262), (8631, 14852), (9954, 12878), (10823, 11844), (11139, 11508)]