639331584

素因数分解:

$2^8\times 3^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 1770921600

約数和(自身を除く): 1131590016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 149, 151, 192, 222, 256, 296, 298, 302, 384, 444, 447, 453, 592, 596, 604, 768, 888, 894, 906, 1184, 1192, 1208, 1776, 1788, 1812, 2368, 2384, 2416, 3552, 3576, 3624, 4736, 4768, 4832, 5513, 5587, 7104, 7152, 7248, 9472, 9536, 9664, 11026, 11174, 14208, 14304, 14496, 16539, 16761, 19072, 19328, 22052, 22348, 22499, 28416, 28608, 28992, 33078, 33522, 38144, 38656, 44104, 44696, 44998, 57216, 57984, 66156, 67044, 67497, 88208, 89392, 89996, 114432, 115968, 132312, 134088, 134994, 176416, 178784, 179992, 264624, 268176, 269988, 352832, 357568, 359984, 529248, 536352, 539976, 705664, 715136, 719968, 832463, 1058496, 1072704, 1079952, 1411328, 1430272, 1439936, 1664926, 2116992, 2145408, 2159904, 2497389, 2879872, 3329852, 4233984, 4290816, 4319808, 4994778, 5759744, 6659704, 8639616, 9989556, 13319408, 17279232, 19979112, 26638816, 39958224, 53277632, 79916448, 106555264, 159832896, 213110528, 319665792, 639331584]

約数ペア:

[(1, 639331584), (2, 319665792), (3, 213110528), (4, 159832896), (6, 106555264), (8, 79916448), (12, 53277632), (16, 39958224), (24, 26638816), (32, 19979112), (37, 17279232), (48, 13319408), (64, 9989556), (74, 8639616), (96, 6659704), (111, 5759744), (128, 4994778), (148, 4319808), (149, 4290816), (151, 4233984), (192, 3329852), (222, 2879872), (256, 2497389), (296, 2159904), (298, 2145408), (302, 2116992), (384, 1664926), (444, 1439936), (447, 1430272), (453, 1411328), (592, 1079952), (596, 1072704), (604, 1058496), (768, 832463), (888, 719968), (894, 715136), (906, 705664), (1184, 539976), (1192, 536352), (1208, 529248), (1776, 359984), (1788, 357568), (1812, 352832), (2368, 269988), (2384, 268176), (2416, 264624), (3552, 179992), (3576, 178784), (3624, 176416), (4736, 134994), (4768, 134088), (4832, 132312), (5513, 115968), (5587, 114432), (7104, 89996), (7152, 89392), (7248, 88208), (9472, 67497), (9536, 67044), (9664, 66156), (11026, 57984), (11174, 57216), (14208, 44998), (14304, 44696), (14496, 44104), (16539, 38656), (16761, 38144), (19072, 33522), (19328, 33078), (22052, 28992), (22348, 28608), (22499, 28416)]