128991576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 384975360

約数和(自身を除く): 255983784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 61, 82, 84, 122, 123, 164, 168, 183, 244, 246, 287, 307, 328, 366, 427, 488, 492, 574, 614, 732, 854, 861, 921, 984, 1148, 1228, 1281, 1464, 1708, 1722, 1842, 2149, 2296, 2456, 2501, 2562, 3416, 3444, 3684, 4298, 5002, 5124, 6447, 6888, 7368, 7503, 8596, 10004, 10248, 12587, 12894, 15006, 17192, 17507, 18727, 20008, 25174, 25788, 30012, 35014, 37454, 37761, 50348, 51576, 52521, 56181, 60024, 70028, 74908, 75522, 88109, 100696, 105042, 112362, 131089, 140056, 149816, 151044, 176218, 210084, 224724, 262178, 264327, 302088, 352436, 393267, 420168, 449448, 524356, 528654, 704872, 767807, 786534, 1048712, 1057308, 1535614, 1573068, 2114616, 2303421, 3071228, 3146136, 4606842, 5374649, 6142456, 9213684, 10749298, 16123947, 18427368, 21498596, 32247894, 42997192, 64495788, 128991576]

約数ペア:

[(1, 128991576), (2, 64495788), (3, 42997192), (4, 32247894), (6, 21498596), (7, 18427368), (8, 16123947), (12, 10749298), (14, 9213684), (21, 6142456), (24, 5374649), (28, 4606842), (41, 3146136), (42, 3071228), (56, 2303421), (61, 2114616), (82, 1573068), (84, 1535614), (122, 1057308), (123, 1048712), (164, 786534), (168, 767807), (183, 704872), (244, 528654), (246, 524356), (287, 449448), (307, 420168), (328, 393267), (366, 352436), (427, 302088), (488, 264327), (492, 262178), (574, 224724), (614, 210084), (732, 176218), (854, 151044), (861, 149816), (921, 140056), (984, 131089), (1148, 112362), (1228, 105042), (1281, 100696), (1464, 88109), (1708, 75522), (1722, 74908), (1842, 70028), (2149, 60024), (2296, 56181), (2456, 52521), (2501, 51576), (2562, 50348), (3416, 37761), (3444, 37454), (3684, 35014), (4298, 30012), (5002, 25788), (5124, 25174), (6447, 20008), (6888, 18727), (7368, 17507), (7503, 17192), (8596, 15006), (10004, 12894), (10248, 12587)]