648648

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:49

約数の個数: 160

約数和(自身を含む): 2439360

約数和(自身を除く): 1790712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 18, 21, 22, 24, 26, 27, 28, 33, 36, 39, 42, 44, 52, 54, 56, 63, 66, 72, 77, 78, 81, 84, 88, 91, 99, 104, 108, 117, 126, 132, 143, 154, 156, 162, 168, 182, 189, 198, 216, 231, 234, 252, 264, 273, 286, 297, 308, 312, 324, 351, 364, 378, 396, 429, 462, 468, 504, 546, 567, 572, 594, 616, 648, 693, 702, 728, 756, 792, 819, 858, 891, 924, 936, 1001, 1053, 1092, 1134, 1144, 1188, 1287, 1386, 1404, 1512, 1638, 1716, 1782, 1848, 2002, 2079, 2106, 2184, 2268, 2376, 2457, 2574, 2772, 2808, 3003, 3276, 3432, 3564, 3861, 4004, 4158, 4212, 4536, 4914, 5148, 5544, 6006, 6237, 6552, 7128, 7371, 7722, 8008, 8316, 8424, 9009, 9828, 10296, 11583, 12012, 12474, 14742, 15444, 16632, 18018, 19656, 23166, 24024, 24948, 27027, 29484, 30888, 36036, 46332, 49896, 54054, 58968, 72072, 81081, 92664, 108108, 162162, 216216, 324324, 648648]

約数ペア:

[(1, 648648), (2, 324324), (3, 216216), (4, 162162), (6, 108108), (7, 92664), (8, 81081), (9, 72072), (11, 58968), (12, 54054), (13, 49896), (14, 46332), (18, 36036), (21, 30888), (22, 29484), (24, 27027), (26, 24948), (27, 24024), (28, 23166), (33, 19656), (36, 18018), (39, 16632), (42, 15444), (44, 14742), (52, 12474), (54, 12012), (56, 11583), (63, 10296), (66, 9828), (72, 9009), (77, 8424), (78, 8316), (81, 8008), (84, 7722), (88, 7371), (91, 7128), (99, 6552), (104, 6237), (108, 6006), (117, 5544), (126, 5148), (132, 4914), (143, 4536), (154, 4212), (156, 4158), (162, 4004), (168, 3861), (182, 3564), (189, 3432), (198, 3276), (216, 3003), (231, 2808), (234, 2772), (252, 2574), (264, 2457), (273, 2376), (286, 2268), (297, 2184), (308, 2106), (312, 2079), (324, 2002), (351, 1848), (364, 1782), (378, 1716), (396, 1638), (429, 1512), (462, 1404), (468, 1386), (504, 1287), (546, 1188), (567, 1144), (572, 1134), (594, 1092), (616, 1053), (648, 1001), (693, 936), (702, 924), (728, 891), (756, 858), (792, 819)]