128420208

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{42467}}^1$

素因数の和:42491

約数の個数: 80

約数和(自身を含む): 421282560

約数和(自身を除く): 292862352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 42467, 84934, 127401, 169868, 254802, 297269, 339736, 382203, 509604, 594538, 679472, 764406, 891807, 1019208, 1146609, 1189076, 1528812, 1783614, 2038416, 2293218, 2378152, 2675421, 3057624, 3567228, 4586436, 4756304, 5350842, 6115248, 7134456, 8026263, 9172872, 10701684, 14268912, 16052526, 18345744, 21403368, 32105052, 42806736, 64210104, 128420208]

約数ペア:

[(1, 128420208), (2, 64210104), (3, 42806736), (4, 32105052), (6, 21403368), (7, 18345744), (8, 16052526), (9, 14268912), (12, 10701684), (14, 9172872), (16, 8026263), (18, 7134456), (21, 6115248), (24, 5350842), (27, 4756304), (28, 4586436), (36, 3567228), (42, 3057624), (48, 2675421), (54, 2378152), (56, 2293218), (63, 2038416), (72, 1783614), (84, 1528812), (108, 1189076), (112, 1146609), (126, 1019208), (144, 891807), (168, 764406), (189, 679472), (216, 594538), (252, 509604), (336, 382203), (378, 339736), (432, 297269), (504, 254802), (756, 169868), (1008, 127401), (1512, 84934), (3024, 42467)]