1781478432

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2053}}^1$

素因数の和:2223

約数の個数: 144

約数和(自身を含む): 5329291968

約数和(自身を除く): 3547813536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 131, 138, 144, 184, 207, 262, 276, 288, 368, 393, 414, 524, 552, 736, 786, 828, 1048, 1104, 1179, 1572, 1656, 2053, 2096, 2208, 2358, 3013, 3144, 3312, 4106, 4192, 4716, 6026, 6159, 6288, 6624, 8212, 9039, 9432, 12052, 12318, 12576, 16424, 18078, 18477, 18864, 24104, 24636, 27117, 32848, 36156, 36954, 37728, 47219, 48208, 49272, 54234, 65696, 72312, 73908, 94438, 96416, 98544, 108468, 141657, 144624, 147816, 188876, 197088, 216936, 268943, 283314, 289248, 295632, 377752, 424971, 433872, 537886, 566628, 591264, 755504, 806829, 849942, 867744, 1075772, 1133256, 1511008, 1613658, 1699884, 2151544, 2266512, 2420487, 3227316, 3399768, 4303088, 4533024, 4840974, 6185689, 6454632, 6799536, 8606176, 9681948, 12371378, 12909264, 13599072, 18557067, 19363896, 24742756, 25818528, 37114134, 38727792, 49485512, 55671201, 74228268, 77455584, 98971024, 111342402, 148456536, 197942048, 222684804, 296913072, 445369608, 593826144, 890739216, 1781478432]

約数ペア:

[(1, 1781478432), (2, 890739216), (3, 593826144), (4, 445369608), (6, 296913072), (8, 222684804), (9, 197942048), (12, 148456536), (16, 111342402), (18, 98971024), (23, 77455584), (24, 74228268), (32, 55671201), (36, 49485512), (46, 38727792), (48, 37114134), (69, 25818528), (72, 24742756), (92, 19363896), (96, 18557067), (131, 13599072), (138, 12909264), (144, 12371378), (184, 9681948), (207, 8606176), (262, 6799536), (276, 6454632), (288, 6185689), (368, 4840974), (393, 4533024), (414, 4303088), (524, 3399768), (552, 3227316), (736, 2420487), (786, 2266512), (828, 2151544), (1048, 1699884), (1104, 1613658), (1179, 1511008), (1572, 1133256), (1656, 1075772), (2053, 867744), (2096, 849942), (2208, 806829), (2358, 755504), (3013, 591264), (3144, 566628), (3312, 537886), (4106, 433872), (4192, 424971), (4716, 377752), (6026, 295632), (6159, 289248), (6288, 283314), (6624, 268943), (8212, 216936), (9039, 197088), (9432, 188876), (12052, 147816), (12318, 144624), (12576, 141657), (16424, 108468), (18078, 98544), (18477, 96416), (18864, 94438), (24104, 73908), (24636, 72312), (27117, 65696), (32848, 54234), (36156, 49272), (36954, 48208), (37728, 47219)]