261753984

素因数分解:

$2^7\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 837216000

約数和(自身を除く): 575462016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 37, 46, 48, 54, 64, 69, 72, 74, 89, 92, 96, 108, 111, 128, 138, 144, 148, 178, 184, 192, 207, 216, 222, 267, 276, 288, 296, 333, 356, 368, 384, 414, 432, 444, 534, 552, 576, 592, 621, 666, 712, 736, 801, 828, 851, 864, 888, 999, 1068, 1104, 1152, 1184, 1242, 1332, 1424, 1472, 1602, 1656, 1702, 1728, 1776, 1998, 2047, 2136, 2208, 2368, 2403, 2484, 2553, 2664, 2848, 2944, 3204, 3293, 3312, 3404, 3456, 3552, 3996, 4094, 4272, 4416, 4736, 4806, 4968, 5106, 5328, 5696, 6141, 6408, 6586, 6624, 6808, 7104, 7659, 7992, 8188, 8544, 8832, 9612, 9879, 9936, 10212, 10656, 11392, 12282, 12816, 13172, 13248, 13616, 14208, 15318, 15984, 16376, 17088, 18423, 19224, 19758, 19872, 20424, 21312, 22977, 24564, 25632, 26344, 26496, 27232, 29637, 30636, 31968, 32752, 34176, 36846, 38448, 39516, 39744, 40848, 42624, 45954, 49128, 51264, 52688, 54464, 55269, 59274, 61272, 63936, 65504, 73692, 75739, 76896, 79032, 79488, 81696, 88911, 91908, 98256, 102528, 105376, 108928, 110538, 118548, 122544, 127872, 131008, 147384, 151478, 153792, 158064, 163392, 177822, 183816, 196512, 210752, 221076, 227217, 237096, 245088, 262016, 294768, 302956, 307584, 316128, 326784, 355644, 367632, 393024, 421504, 442152, 454434, 474192, 490176, 589536, 605912, 632256, 681651, 711288, 735264, 786048, 884304, 908868, 948384, 980352, 1179072, 1211824, 1264512, 1363302, 1422576, 1470528, 1768608, 1817736, 1896768, 2044953, 2358144, 2423648, 2726604, 2845152, 2941056, 3537216, 3635472, 3793536, 4089906, 4847296, 5453208, 5690304, 7074432, 7270944, 8179812, 9694592, 10906416, 11380608, 14541888, 16359624, 21812832, 29083776, 32719248, 43625664, 65438496, 87251328, 130876992, 261753984]

約数ペア:

[(1, 261753984), (2, 130876992), (3, 87251328), (4, 65438496), (6, 43625664), (8, 32719248), (9, 29083776), (12, 21812832), (16, 16359624), (18, 14541888), (23, 11380608), (24, 10906416), (27, 9694592), (32, 8179812), (36, 7270944), (37, 7074432), (46, 5690304), (48, 5453208), (54, 4847296), (64, 4089906), (69, 3793536), (72, 3635472), (74, 3537216), (89, 2941056), (92, 2845152), (96, 2726604), (108, 2423648), (111, 2358144), (128, 2044953), (138, 1896768), (144, 1817736), (148, 1768608), (178, 1470528), (184, 1422576), (192, 1363302), (207, 1264512), (216, 1211824), (222, 1179072), (267, 980352), (276, 948384), (288, 908868), (296, 884304), (333, 786048), (356, 735264), (368, 711288), (384, 681651), (414, 632256), (432, 605912), (444, 589536), (534, 490176), (552, 474192), (576, 454434), (592, 442152), (621, 421504), (666, 393024), (712, 367632), (736, 355644), (801, 326784), (828, 316128), (851, 307584), (864, 302956), (888, 294768), (999, 262016), (1068, 245088), (1104, 237096), (1152, 227217), (1184, 221076), (1242, 210752), (1332, 196512), (1424, 183816), (1472, 177822), (1602, 163392), (1656, 158064), (1702, 153792), (1728, 151478), (1776, 147384), (1998, 131008), (2047, 127872), (2136, 122544), (2208, 118548), (2368, 110538), (2403, 108928), (2484, 105376), (2553, 102528), (2664, 98256), (2848, 91908), (2944, 88911), (3204, 81696), (3293, 79488), (3312, 79032), (3404, 76896), (3456, 75739), (3552, 73692), (3996, 65504), (4094, 63936), (4272, 61272), (4416, 59274), (4736, 55269), (4806, 54464), (4968, 52688), (5106, 51264), (5328, 49128), (5696, 45954), (6141, 42624), (6408, 40848), (6586, 39744), (6624, 39516), (6808, 38448), (7104, 36846), (7659, 34176), (7992, 32752), (8188, 31968), (8544, 30636), (8832, 29637), (9612, 27232), (9879, 26496), (9936, 26344), (10212, 25632), (10656, 24564), (11392, 22977), (12282, 21312), (12816, 20424), (13172, 19872), (13248, 19758), (13616, 19224), (14208, 18423), (15318, 17088), (15984, 16376)]