261261936

素因数分解:

$2^4\times 3^6\times {\mathrm{13}}^1\times {\mathrm{1723}}^1$

素因数の和:1762

約数の個数: 140

約数和(自身を含む): 817800088

約数和(自身を除く): 556538152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 312, 324, 351, 432, 468, 486, 624, 648, 702, 729, 936, 972, 1053, 1296, 1404, 1458, 1723, 1872, 1944, 2106, 2808, 2916, 3159, 3446, 3888, 4212, 5169, 5616, 5832, 6318, 6892, 8424, 9477, 10338, 11664, 12636, 13784, 15507, 16848, 18954, 20676, 22399, 25272, 27568, 31014, 37908, 41352, 44798, 46521, 50544, 62028, 67197, 75816, 82704, 89596, 93042, 124056, 134394, 139563, 151632, 179192, 186084, 201591, 248112, 268788, 279126, 358384, 372168, 403182, 418689, 537576, 558252, 604773, 744336, 806364, 837378, 1075152, 1116504, 1209546, 1256067, 1612728, 1674756, 1814319, 2233008, 2419092, 2512134, 3225456, 3349512, 3628638, 4838184, 5024268, 5442957, 6699024, 7257276, 9676368, 10048536, 10885914, 14514552, 16328871, 20097072, 21771828, 29029104, 32657742, 43543656, 65315484, 87087312, 130630968, 261261936]

約数ペア:

[(1, 261261936), (2, 130630968), (3, 87087312), (4, 65315484), (6, 43543656), (8, 32657742), (9, 29029104), (12, 21771828), (13, 20097072), (16, 16328871), (18, 14514552), (24, 10885914), (26, 10048536), (27, 9676368), (36, 7257276), (39, 6699024), (48, 5442957), (52, 5024268), (54, 4838184), (72, 3628638), (78, 3349512), (81, 3225456), (104, 2512134), (108, 2419092), (117, 2233008), (144, 1814319), (156, 1674756), (162, 1612728), (208, 1256067), (216, 1209546), (234, 1116504), (243, 1075152), (312, 837378), (324, 806364), (351, 744336), (432, 604773), (468, 558252), (486, 537576), (624, 418689), (648, 403182), (702, 372168), (729, 358384), (936, 279126), (972, 268788), (1053, 248112), (1296, 201591), (1404, 186084), (1458, 179192), (1723, 151632), (1872, 139563), (1944, 134394), (2106, 124056), (2808, 93042), (2916, 89596), (3159, 82704), (3446, 75816), (3888, 67197), (4212, 62028), (5169, 50544), (5616, 46521), (5832, 44798), (6318, 41352), (6892, 37908), (8424, 31014), (9477, 27568), (10338, 25272), (11664, 22399), (12636, 20676), (13784, 18954), (15507, 16848)]