639516288

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 256

約数和(自身を含む): 1934899200

約数和(自身を除く): 1295382912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 32, 37, 38, 46, 48, 57, 64, 69, 74, 76, 92, 96, 103, 111, 114, 128, 138, 148, 152, 184, 192, 206, 222, 228, 276, 296, 304, 309, 368, 384, 412, 437, 444, 456, 552, 592, 608, 618, 703, 736, 824, 851, 874, 888, 912, 1104, 1184, 1216, 1236, 1311, 1406, 1472, 1648, 1702, 1748, 1776, 1824, 1957, 2109, 2208, 2368, 2369, 2432, 2472, 2553, 2622, 2812, 2944, 3296, 3404, 3496, 3552, 3648, 3811, 3914, 4218, 4416, 4736, 4738, 4944, 5106, 5244, 5624, 5871, 6592, 6808, 6992, 7104, 7107, 7296, 7622, 7828, 8436, 8832, 9476, 9888, 10212, 10488, 11248, 11433, 11742, 13184, 13616, 13984, 14208, 14214, 15244, 15656, 16169, 16872, 18952, 19776, 20424, 20976, 22496, 22866, 23484, 27232, 27968, 28428, 30488, 31312, 32338, 33744, 37904, 39552, 40848, 41952, 44992, 45011, 45732, 46968, 48507, 54464, 55936, 56856, 60976, 62624, 64676, 67488, 72409, 75808, 81696, 83904, 87653, 89984, 90022, 91464, 93936, 97014, 108928, 113712, 121952, 125248, 129352, 134976, 135033, 144818, 151616, 163392, 167808, 175306, 180044, 182928, 187872, 194028, 217227, 227424, 243904, 250496, 258704, 262959, 269952, 270066, 289636, 303232, 326784, 350612, 360088, 365856, 375744, 388056, 434454, 454848, 487808, 517408, 525918, 540132, 579272, 701224, 720176, 731712, 751488, 776112, 868908, 909696, 1034816, 1051836, 1080264, 1158544, 1402448, 1440352, 1463424, 1552224, 1665407, 1737816, 2069632, 2103672, 2160528, 2317088, 2804896, 2880704, 3104448, 3330814, 3475632, 4207344, 4321056, 4634176, 4996221, 5609792, 5761408, 6208896, 6661628, 6951264, 8414688, 8642112, 9268352, 9992442, 11219584, 13323256, 13902528, 16829376, 17284224, 19984884, 26646512, 27805056, 33658752, 39969768, 53293024, 79939536, 106586048, 159879072, 213172096, 319758144, 639516288]

約数ペア:

[(1, 639516288), (2, 319758144), (3, 213172096), (4, 159879072), (6, 106586048), (8, 79939536), (12, 53293024), (16, 39969768), (19, 33658752), (23, 27805056), (24, 26646512), (32, 19984884), (37, 17284224), (38, 16829376), (46, 13902528), (48, 13323256), (57, 11219584), (64, 9992442), (69, 9268352), (74, 8642112), (76, 8414688), (92, 6951264), (96, 6661628), (103, 6208896), (111, 5761408), (114, 5609792), (128, 4996221), (138, 4634176), (148, 4321056), (152, 4207344), (184, 3475632), (192, 3330814), (206, 3104448), (222, 2880704), (228, 2804896), (276, 2317088), (296, 2160528), (304, 2103672), (309, 2069632), (368, 1737816), (384, 1665407), (412, 1552224), (437, 1463424), (444, 1440352), (456, 1402448), (552, 1158544), (592, 1080264), (608, 1051836), (618, 1034816), (703, 909696), (736, 868908), (824, 776112), (851, 751488), (874, 731712), (888, 720176), (912, 701224), (1104, 579272), (1184, 540132), (1216, 525918), (1236, 517408), (1311, 487808), (1406, 454848), (1472, 434454), (1648, 388056), (1702, 375744), (1748, 365856), (1776, 360088), (1824, 350612), (1957, 326784), (2109, 303232), (2208, 289636), (2368, 270066), (2369, 269952), (2432, 262959), (2472, 258704), (2553, 250496), (2622, 243904), (2812, 227424), (2944, 217227), (3296, 194028), (3404, 187872), (3496, 182928), (3552, 180044), (3648, 175306), (3811, 167808), (3914, 163392), (4218, 151616), (4416, 144818), (4736, 135033), (4738, 134976), (4944, 129352), (5106, 125248), (5244, 121952), (5624, 113712), (5871, 108928), (6592, 97014), (6808, 93936), (6992, 91464), (7104, 90022), (7107, 89984), (7296, 87653), (7622, 83904), (7828, 81696), (8436, 75808), (8832, 72409), (9476, 67488), (9888, 64676), (10212, 62624), (10488, 60976), (11248, 56856), (11433, 55936), (11742, 54464), (13184, 48507), (13616, 46968), (13984, 45732), (14208, 45011), (14214, 44992), (15244, 41952), (15656, 40848), (16169, 39552), (16872, 37904), (18952, 33744), (19776, 32338), (20424, 31312), (20976, 30488), (22496, 28428), (22866, 27968), (23484, 27232)]