261289392

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1531

約数の個数: 160

約数和(自身を含む): 851612160

約数和(自身を除く): 590322768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 41, 42, 48, 52, 56, 78, 82, 84, 91, 104, 112, 123, 156, 164, 168, 182, 208, 246, 273, 287, 312, 328, 336, 364, 492, 533, 546, 574, 624, 656, 728, 861, 984, 1066, 1092, 1148, 1456, 1459, 1599, 1722, 1968, 2132, 2184, 2296, 2918, 3198, 3444, 3731, 4264, 4368, 4377, 4592, 5836, 6396, 6888, 7462, 8528, 8754, 10213, 11193, 11672, 12792, 13776, 14924, 17508, 18967, 20426, 22386, 23344, 25584, 29848, 30639, 35016, 37934, 40852, 44772, 56901, 59696, 59819, 61278, 70032, 75868, 81704, 89544, 113802, 119638, 122556, 132769, 151736, 163408, 179088, 179457, 227604, 239276, 245112, 265538, 303472, 358914, 398307, 418733, 455208, 478552, 490224, 531076, 717828, 777647, 796614, 837466, 910416, 957104, 1062152, 1256199, 1435656, 1555294, 1593228, 1674932, 2124304, 2332941, 2512398, 2871312, 3110588, 3186456, 3349864, 4665882, 5024796, 5443529, 6221176, 6372912, 6699728, 9331764, 10049592, 10887058, 12442352, 16330587, 18663528, 20099184, 21774116, 32661174, 37327056, 43548232, 65322348, 87096464, 130644696, 261289392]

約数ペア:

[(1, 261289392), (2, 130644696), (3, 87096464), (4, 65322348), (6, 43548232), (7, 37327056), (8, 32661174), (12, 21774116), (13, 20099184), (14, 18663528), (16, 16330587), (21, 12442352), (24, 10887058), (26, 10049592), (28, 9331764), (39, 6699728), (41, 6372912), (42, 6221176), (48, 5443529), (52, 5024796), (56, 4665882), (78, 3349864), (82, 3186456), (84, 3110588), (91, 2871312), (104, 2512398), (112, 2332941), (123, 2124304), (156, 1674932), (164, 1593228), (168, 1555294), (182, 1435656), (208, 1256199), (246, 1062152), (273, 957104), (287, 910416), (312, 837466), (328, 796614), (336, 777647), (364, 717828), (492, 531076), (533, 490224), (546, 478552), (574, 455208), (624, 418733), (656, 398307), (728, 358914), (861, 303472), (984, 265538), (1066, 245112), (1092, 239276), (1148, 227604), (1456, 179457), (1459, 179088), (1599, 163408), (1722, 151736), (1968, 132769), (2132, 122556), (2184, 119638), (2296, 113802), (2918, 89544), (3198, 81704), (3444, 75868), (3731, 70032), (4264, 61278), (4368, 59819), (4377, 59696), (4592, 56901), (5836, 44772), (6396, 40852), (6888, 37934), (7462, 35016), (8528, 30639), (8754, 29848), (10213, 25584), (11193, 23344), (11672, 22386), (12792, 20426), (13776, 18967), (14924, 17508)]