81639168

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 216

約数和(自身を含む): 255851568

約数和(自身を除く): 174212400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 37, 39, 48, 51, 52, 64, 68, 74, 78, 96, 102, 104, 111, 128, 136, 148, 156, 169, 192, 204, 208, 221, 222, 256, 272, 296, 312, 338, 384, 408, 416, 442, 444, 481, 507, 544, 592, 624, 629, 663, 676, 768, 816, 832, 884, 888, 962, 1014, 1088, 1184, 1248, 1258, 1326, 1352, 1443, 1632, 1664, 1768, 1776, 1887, 1924, 2028, 2176, 2368, 2496, 2516, 2652, 2704, 2873, 2886, 3264, 3328, 3536, 3552, 3774, 3848, 4056, 4352, 4736, 4992, 5032, 5304, 5408, 5746, 5772, 6253, 6528, 7072, 7104, 7548, 7696, 8112, 8177, 8619, 9472, 9984, 10064, 10608, 10816, 11492, 11544, 12506, 13056, 14144, 14208, 15096, 15392, 16224, 16354, 17238, 18759, 20128, 21216, 21632, 22984, 23088, 24531, 25012, 28288, 28416, 30192, 30784, 32448, 32708, 34476, 37518, 40256, 42432, 43264, 45968, 46176, 49062, 50024, 56576, 60384, 61568, 64896, 65416, 68952, 75036, 80512, 84864, 91936, 92352, 98124, 100048, 106301, 120768, 123136, 129792, 130832, 137904, 150072, 161024, 169728, 183872, 184704, 196248, 200096, 212602, 241536, 261664, 275808, 300144, 318903, 367744, 369408, 392496, 400192, 425204, 483072, 523328, 551616, 600288, 637806, 735488, 784992, 800384, 850408, 1046656, 1103232, 1200576, 1275612, 1569984, 1600768, 1700816, 2093312, 2206464, 2401152, 2551224, 3139968, 3401632, 4802304, 5102448, 6279936, 6803264, 10204896, 13606528, 20409792, 27213056, 40819584, 81639168]

約数ペア:

[(1, 81639168), (2, 40819584), (3, 27213056), (4, 20409792), (6, 13606528), (8, 10204896), (12, 6803264), (13, 6279936), (16, 5102448), (17, 4802304), (24, 3401632), (26, 3139968), (32, 2551224), (34, 2401152), (37, 2206464), (39, 2093312), (48, 1700816), (51, 1600768), (52, 1569984), (64, 1275612), (68, 1200576), (74, 1103232), (78, 1046656), (96, 850408), (102, 800384), (104, 784992), (111, 735488), (128, 637806), (136, 600288), (148, 551616), (156, 523328), (169, 483072), (192, 425204), (204, 400192), (208, 392496), (221, 369408), (222, 367744), (256, 318903), (272, 300144), (296, 275808), (312, 261664), (338, 241536), (384, 212602), (408, 200096), (416, 196248), (442, 184704), (444, 183872), (481, 169728), (507, 161024), (544, 150072), (592, 137904), (624, 130832), (629, 129792), (663, 123136), (676, 120768), (768, 106301), (816, 100048), (832, 98124), (884, 92352), (888, 91936), (962, 84864), (1014, 80512), (1088, 75036), (1184, 68952), (1248, 65416), (1258, 64896), (1326, 61568), (1352, 60384), (1443, 56576), (1632, 50024), (1664, 49062), (1768, 46176), (1776, 45968), (1887, 43264), (1924, 42432), (2028, 40256), (2176, 37518), (2368, 34476), (2496, 32708), (2516, 32448), (2652, 30784), (2704, 30192), (2873, 28416), (2886, 28288), (3264, 25012), (3328, 24531), (3536, 23088), (3552, 22984), (3774, 21632), (3848, 21216), (4056, 20128), (4352, 18759), (4736, 17238), (4992, 16354), (5032, 16224), (5304, 15392), (5408, 15096), (5746, 14208), (5772, 14144), (6253, 13056), (6528, 12506), (7072, 11544), (7104, 11492), (7548, 10816), (7696, 10608), (8112, 10064), (8177, 9984), (8619, 9472)]