1261891176

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1109}}^1$

素因数の和:1659

約数の個数: 128

約数和(自身を含む): 3893702400

約数和(自身を除く): 2631811224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 521, 546, 728, 1042, 1092, 1109, 1563, 2084, 2184, 2218, 3126, 3327, 3647, 4168, 4436, 6252, 6654, 6773, 7294, 7763, 8872, 10941, 12504, 13308, 13546, 14417, 14588, 15526, 20319, 21882, 23289, 26616, 27092, 28834, 29176, 31052, 40638, 43251, 43764, 46578, 47411, 54184, 57668, 62104, 81276, 86502, 87528, 93156, 94822, 100919, 115336, 142233, 162552, 173004, 186312, 189644, 201838, 284466, 302757, 346008, 379288, 403676, 568932, 577789, 605514, 807352, 1137864, 1155578, 1211028, 1733367, 2311156, 2422056, 3466734, 4044523, 4622312, 6933468, 7511257, 8089046, 12133569, 13866936, 15022514, 16178092, 22533771, 24267138, 30045028, 32356184, 45067542, 48534276, 52578799, 60090056, 90135084, 97068552, 105157598, 157736397, 180270168, 210315196, 315472794, 420630392, 630945588, 1261891176]

約数ペア:

[(1, 1261891176), (2, 630945588), (3, 420630392), (4, 315472794), (6, 210315196), (7, 180270168), (8, 157736397), (12, 105157598), (13, 97068552), (14, 90135084), (21, 60090056), (24, 52578799), (26, 48534276), (28, 45067542), (39, 32356184), (42, 30045028), (52, 24267138), (56, 22533771), (78, 16178092), (84, 15022514), (91, 13866936), (104, 12133569), (156, 8089046), (168, 7511257), (182, 6933468), (273, 4622312), (312, 4044523), (364, 3466734), (521, 2422056), (546, 2311156), (728, 1733367), (1042, 1211028), (1092, 1155578), (1109, 1137864), (1563, 807352), (2084, 605514), (2184, 577789), (2218, 568932), (3126, 403676), (3327, 379288), (3647, 346008), (4168, 302757), (4436, 284466), (6252, 201838), (6654, 189644), (6773, 186312), (7294, 173004), (7763, 162552), (8872, 142233), (10941, 115336), (12504, 100919), (13308, 94822), (13546, 93156), (14417, 87528), (14588, 86502), (15526, 81276), (20319, 62104), (21882, 57668), (23289, 54184), (26616, 47411), (27092, 46578), (28834, 43764), (29176, 43251), (31052, 40638)]