280966488

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 792806400

約数和(自身を除く): 511839912

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 61, 66, 73, 88, 122, 132, 146, 183, 219, 239, 244, 264, 292, 366, 438, 478, 488, 584, 671, 717, 732, 803, 876, 956, 1342, 1434, 1464, 1606, 1752, 1912, 2013, 2409, 2629, 2684, 2868, 3212, 4026, 4453, 4818, 5258, 5368, 5736, 6424, 7887, 8052, 8906, 9636, 10516, 13359, 14579, 15774, 16104, 17447, 17812, 19272, 21032, 26718, 29158, 31548, 34894, 35624, 43737, 48983, 52341, 53436, 58316, 63096, 69788, 87474, 97966, 104682, 106872, 116632, 139576, 146949, 160369, 174948, 191917, 195932, 209364, 293898, 320738, 349896, 383834, 391864, 418728, 481107, 575751, 587796, 641476, 767668, 962214, 1064267, 1151502, 1175592, 1282952, 1535336, 1924428, 2128534, 2303004, 3192801, 3848856, 4257068, 4606008, 6385602, 8514136, 11706937, 12771204, 23413874, 25542408, 35120811, 46827748, 70241622, 93655496, 140483244, 280966488]

約数ペア:

[(1, 280966488), (2, 140483244), (3, 93655496), (4, 70241622), (6, 46827748), (8, 35120811), (11, 25542408), (12, 23413874), (22, 12771204), (24, 11706937), (33, 8514136), (44, 6385602), (61, 4606008), (66, 4257068), (73, 3848856), (88, 3192801), (122, 2303004), (132, 2128534), (146, 1924428), (183, 1535336), (219, 1282952), (239, 1175592), (244, 1151502), (264, 1064267), (292, 962214), (366, 767668), (438, 641476), (478, 587796), (488, 575751), (584, 481107), (671, 418728), (717, 391864), (732, 383834), (803, 349896), (876, 320738), (956, 293898), (1342, 209364), (1434, 195932), (1464, 191917), (1606, 174948), (1752, 160369), (1912, 146949), (2013, 139576), (2409, 116632), (2629, 106872), (2684, 104682), (2868, 97966), (3212, 87474), (4026, 69788), (4453, 63096), (4818, 58316), (5258, 53436), (5368, 52341), (5736, 48983), (6424, 43737), (7887, 35624), (8052, 34894), (8906, 31548), (9636, 29158), (10516, 26718), (13359, 21032), (14579, 19272), (15774, 17812), (16104, 17447)]