261540552

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3863}}^1$

素因数の和:3923

約数の個数: 128

約数和(自身を含む): 830914560

約数和(自身を除く): 569374008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 52, 56, 62, 78, 84, 91, 93, 104, 124, 156, 168, 182, 186, 217, 248, 273, 312, 364, 372, 403, 434, 546, 651, 728, 744, 806, 868, 1092, 1209, 1302, 1612, 1736, 2184, 2418, 2604, 2821, 3224, 3863, 4836, 5208, 5642, 7726, 8463, 9672, 11284, 11589, 15452, 16926, 22568, 23178, 27041, 30904, 33852, 46356, 50219, 54082, 67704, 81123, 92712, 100438, 108164, 119753, 150657, 162246, 200876, 216328, 239506, 301314, 324492, 351533, 359259, 401752, 479012, 602628, 648984, 703066, 718518, 838271, 958024, 1054599, 1205256, 1406132, 1437036, 1556789, 1676542, 2109198, 2514813, 2812264, 2874072, 3113578, 3353084, 4218396, 4670367, 5029626, 6227156, 6706168, 8436792, 9340734, 10059252, 10897523, 12454312, 18681468, 20118504, 21795046, 32692569, 37362936, 43590092, 65385138, 87180184, 130770276, 261540552]

約数ペア:

[(1, 261540552), (2, 130770276), (3, 87180184), (4, 65385138), (6, 43590092), (7, 37362936), (8, 32692569), (12, 21795046), (13, 20118504), (14, 18681468), (21, 12454312), (24, 10897523), (26, 10059252), (28, 9340734), (31, 8436792), (39, 6706168), (42, 6227156), (52, 5029626), (56, 4670367), (62, 4218396), (78, 3353084), (84, 3113578), (91, 2874072), (93, 2812264), (104, 2514813), (124, 2109198), (156, 1676542), (168, 1556789), (182, 1437036), (186, 1406132), (217, 1205256), (248, 1054599), (273, 958024), (312, 838271), (364, 718518), (372, 703066), (403, 648984), (434, 602628), (546, 479012), (651, 401752), (728, 359259), (744, 351533), (806, 324492), (868, 301314), (1092, 239506), (1209, 216328), (1302, 200876), (1612, 162246), (1736, 150657), (2184, 119753), (2418, 108164), (2604, 100438), (2821, 92712), (3224, 81123), (3863, 67704), (4836, 54082), (5208, 50219), (5642, 46356), (7726, 33852), (8463, 30904), (9672, 27041), (11284, 23178), (11589, 22568), (15452, 16926)]