639371712

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{283}}^1$

素因数の和:387

約数の個数: 168

約数和(自身を含む): 1988645248

約数和(自身を除く): 1349273536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 56, 64, 82, 84, 96, 112, 123, 164, 168, 192, 224, 246, 283, 287, 328, 336, 448, 492, 566, 574, 656, 672, 849, 861, 984, 1132, 1148, 1312, 1344, 1681, 1698, 1722, 1968, 1981, 2264, 2296, 2624, 3362, 3396, 3444, 3936, 3962, 4528, 4592, 5043, 5943, 6724, 6792, 6888, 7872, 7924, 9056, 9184, 10086, 11603, 11767, 11886, 13448, 13584, 13776, 15848, 18112, 18368, 20172, 23206, 23534, 23772, 26896, 27168, 27552, 31696, 34809, 35301, 40344, 46412, 47068, 47544, 53792, 54336, 55104, 63392, 69618, 70602, 80688, 81221, 92824, 94136, 95088, 107584, 126784, 139236, 141204, 161376, 162442, 185648, 188272, 190176, 243663, 278472, 282408, 322752, 324884, 371296, 376544, 380352, 475723, 487326, 556944, 564816, 649768, 742592, 753088, 951446, 974652, 1113888, 1129632, 1299536, 1427169, 1902892, 1949304, 2227776, 2259264, 2599072, 2854338, 3330061, 3805784, 3898608, 5198144, 5708676, 6660122, 7611568, 7797216, 9990183, 11417352, 13320244, 15223136, 15594432, 19980366, 22834704, 26640488, 30446272, 39960732, 45669408, 53280976, 79921464, 91338816, 106561952, 159842928, 213123904, 319685856, 639371712]

約数ペア:

[(1, 639371712), (2, 319685856), (3, 213123904), (4, 159842928), (6, 106561952), (7, 91338816), (8, 79921464), (12, 53280976), (14, 45669408), (16, 39960732), (21, 30446272), (24, 26640488), (28, 22834704), (32, 19980366), (41, 15594432), (42, 15223136), (48, 13320244), (56, 11417352), (64, 9990183), (82, 7797216), (84, 7611568), (96, 6660122), (112, 5708676), (123, 5198144), (164, 3898608), (168, 3805784), (192, 3330061), (224, 2854338), (246, 2599072), (283, 2259264), (287, 2227776), (328, 1949304), (336, 1902892), (448, 1427169), (492, 1299536), (566, 1129632), (574, 1113888), (656, 974652), (672, 951446), (849, 753088), (861, 742592), (984, 649768), (1132, 564816), (1148, 556944), (1312, 487326), (1344, 475723), (1681, 380352), (1698, 376544), (1722, 371296), (1968, 324884), (1981, 322752), (2264, 282408), (2296, 278472), (2624, 243663), (3362, 190176), (3396, 188272), (3444, 185648), (3936, 162442), (3962, 161376), (4528, 141204), (4592, 139236), (5043, 126784), (5943, 107584), (6724, 95088), (6792, 94136), (6888, 92824), (7872, 81221), (7924, 80688), (9056, 70602), (9184, 69618), (10086, 63392), (11603, 55104), (11767, 54336), (11886, 53792), (13448, 47544), (13584, 47068), (13776, 46412), (15848, 40344), (18112, 35301), (18368, 34809), (20172, 31696), (23206, 27552), (23534, 27168), (23772, 26896)]