261330784

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 637507584

約数和(自身を除く): 376176800

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 32, 44, 46, 52, 88, 92, 104, 143, 169, 176, 184, 191, 208, 253, 286, 299, 338, 352, 368, 382, 416, 506, 572, 598, 676, 736, 764, 1012, 1144, 1196, 1352, 1528, 1859, 2024, 2101, 2288, 2392, 2483, 2704, 3056, 3289, 3718, 3887, 4048, 4202, 4393, 4576, 4784, 4966, 5408, 6112, 6578, 7436, 7774, 8096, 8404, 8786, 9568, 9932, 13156, 14872, 15548, 16808, 17572, 19864, 26312, 27313, 29744, 31096, 32279, 33616, 35144, 39728, 42757, 48323, 52624, 54626, 57109, 59488, 62192, 64558, 67232, 70288, 79456, 85514, 96646, 105248, 109252, 114218, 124384, 129116, 140576, 171028, 193292, 218504, 228436, 258232, 342056, 355069, 386584, 437008, 456872, 516464, 628199, 684112, 710138, 742417, 773168, 874016, 913744, 1032928, 1256398, 1368224, 1420276, 1484834, 1546336, 1827488, 2512796, 2840552, 2969668, 5025592, 5681104, 5939336, 8166587, 10051184, 11362208, 11878672, 16333174, 20102368, 23757344, 32666348, 65332696, 130665392, 261330784]

約数ペア:

[(1, 261330784), (2, 130665392), (4, 65332696), (8, 32666348), (11, 23757344), (13, 20102368), (16, 16333174), (22, 11878672), (23, 11362208), (26, 10051184), (32, 8166587), (44, 5939336), (46, 5681104), (52, 5025592), (88, 2969668), (92, 2840552), (104, 2512796), (143, 1827488), (169, 1546336), (176, 1484834), (184, 1420276), (191, 1368224), (208, 1256398), (253, 1032928), (286, 913744), (299, 874016), (338, 773168), (352, 742417), (368, 710138), (382, 684112), (416, 628199), (506, 516464), (572, 456872), (598, 437008), (676, 386584), (736, 355069), (764, 342056), (1012, 258232), (1144, 228436), (1196, 218504), (1352, 193292), (1528, 171028), (1859, 140576), (2024, 129116), (2101, 124384), (2288, 114218), (2392, 109252), (2483, 105248), (2704, 96646), (3056, 85514), (3289, 79456), (3718, 70288), (3887, 67232), (4048, 64558), (4202, 62192), (4393, 59488), (4576, 57109), (4784, 54626), (4966, 52624), (5408, 48323), (6112, 42757), (6578, 39728), (7436, 35144), (7774, 33616), (8096, 32279), (8404, 31096), (8786, 29744), (9568, 27313), (9932, 26312), (13156, 19864), (14872, 17572), (15548, 16808)]