261431064

素因数分解:

$2^3\times 3^6\times {\mathrm{23}}^1\times {\mathrm{1949}}^1$

素因数の和:1996

約数の個数: 112

約数和(自身を含む): 767286000

約数和(自身を除く): 505854936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 92, 108, 138, 162, 184, 207, 216, 243, 276, 324, 414, 486, 552, 621, 648, 729, 828, 972, 1242, 1458, 1656, 1863, 1944, 1949, 2484, 2916, 3726, 3898, 4968, 5589, 5832, 5847, 7452, 7796, 11178, 11694, 14904, 15592, 16767, 17541, 22356, 23388, 33534, 35082, 44712, 44827, 46776, 52623, 67068, 70164, 89654, 105246, 134136, 134481, 140328, 157869, 179308, 210492, 268962, 315738, 358616, 403443, 420984, 473607, 537924, 631476, 806886, 947214, 1075848, 1210329, 1262952, 1420821, 1613772, 1894428, 2420658, 2841642, 3227544, 3630987, 3788856, 4841316, 5683284, 7261974, 9682632, 10892961, 11366568, 14523948, 21785922, 29047896, 32678883, 43571844, 65357766, 87143688, 130715532, 261431064]

約数ペア:

[(1, 261431064), (2, 130715532), (3, 87143688), (4, 65357766), (6, 43571844), (8, 32678883), (9, 29047896), (12, 21785922), (18, 14523948), (23, 11366568), (24, 10892961), (27, 9682632), (36, 7261974), (46, 5683284), (54, 4841316), (69, 3788856), (72, 3630987), (81, 3227544), (92, 2841642), (108, 2420658), (138, 1894428), (162, 1613772), (184, 1420821), (207, 1262952), (216, 1210329), (243, 1075848), (276, 947214), (324, 806886), (414, 631476), (486, 537924), (552, 473607), (621, 420984), (648, 403443), (729, 358616), (828, 315738), (972, 268962), (1242, 210492), (1458, 179308), (1656, 157869), (1863, 140328), (1944, 134481), (1949, 134136), (2484, 105246), (2916, 89654), (3726, 70164), (3898, 67068), (4968, 52623), (5589, 46776), (5832, 44827), (5847, 44712), (7452, 35082), (7796, 33534), (11178, 23388), (11694, 22356), (14904, 17541), (15592, 16767)]