261487472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 557821440

約数和(自身を除く): 296333968

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 79, 86, 136, 158, 172, 272, 283, 316, 344, 566, 632, 688, 731, 1132, 1264, 1343, 1462, 2264, 2686, 2924, 3397, 4528, 4811, 5372, 5848, 6794, 9622, 10744, 11696, 12169, 13588, 19244, 21488, 22357, 24338, 27176, 38488, 44714, 48676, 54352, 57749, 76976, 89428, 97352, 115498, 178856, 194704, 206873, 230996, 357712, 380069, 413746, 461992, 760138, 827492, 923984, 961351, 1520276, 1654984, 1922702, 3040552, 3309968, 3845404, 6081104, 7690808, 15381616, 16342967, 32685934, 65371868, 130743736, 261487472]

約数ペア:

[(1, 261487472), (2, 130743736), (4, 65371868), (8, 32685934), (16, 16342967), (17, 15381616), (34, 7690808), (43, 6081104), (68, 3845404), (79, 3309968), (86, 3040552), (136, 1922702), (158, 1654984), (172, 1520276), (272, 961351), (283, 923984), (316, 827492), (344, 760138), (566, 461992), (632, 413746), (688, 380069), (731, 357712), (1132, 230996), (1264, 206873), (1343, 194704), (1462, 178856), (2264, 115498), (2686, 97352), (2924, 89428), (3397, 76976), (4528, 57749), (4811, 54352), (5372, 48676), (5848, 44714), (6794, 38488), (9622, 27176), (10744, 24338), (11696, 22357), (12169, 21488), (13588, 19244)]