639881856

素因数分解:

$2^7\times 3^4\times {\mathrm{61717}}^1$

素因数の和:61743

約数の個数: 80

約数和(自身を含む): 1904308890

約数和(自身を除く): 1264427034

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 10368, 61717, 123434, 185151, 246868, 370302, 493736, 555453, 740604, 987472, 1110906, 1481208, 1666359, 1974944, 2221812, 2962416, 3332718, 3949888, 4443624, 4999077, 5924832, 6665436, 7899776, 8887248, 9998154, 11849664, 13330872, 17774496, 19996308, 23699328, 26661744, 35548992, 39992616, 53323488, 71097984, 79985232, 106646976, 159970464, 213293952, 319940928, 639881856]

約数ペア:

[(1, 639881856), (2, 319940928), (3, 213293952), (4, 159970464), (6, 106646976), (8, 79985232), (9, 71097984), (12, 53323488), (16, 39992616), (18, 35548992), (24, 26661744), (27, 23699328), (32, 19996308), (36, 17774496), (48, 13330872), (54, 11849664), (64, 9998154), (72, 8887248), (81, 7899776), (96, 6665436), (108, 5924832), (128, 4999077), (144, 4443624), (162, 3949888), (192, 3332718), (216, 2962416), (288, 2221812), (324, 1974944), (384, 1666359), (432, 1481208), (576, 1110906), (648, 987472), (864, 740604), (1152, 555453), (1296, 493736), (1728, 370302), (2592, 246868), (3456, 185151), (5184, 123434), (10368, 61717)]