639625896

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10847}}^1$

素因数の和:10885

約数の個数: 160

約数和(自身を含む): 2205181440

約数和(自身を除く): 1565555544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 117, 126, 156, 162, 168, 182, 189, 216, 234, 252, 273, 312, 324, 351, 364, 378, 468, 504, 546, 567, 648, 702, 728, 756, 819, 936, 1053, 1092, 1134, 1404, 1512, 1638, 2106, 2184, 2268, 2457, 2808, 3276, 4212, 4536, 4914, 6552, 7371, 8424, 9828, 10847, 14742, 19656, 21694, 29484, 32541, 43388, 58968, 65082, 75929, 86776, 97623, 130164, 141011, 151858, 195246, 227787, 260328, 282022, 292869, 303716, 390492, 423033, 455574, 564044, 585738, 607432, 683361, 780984, 846066, 878607, 911148, 987077, 1128088, 1171476, 1269099, 1366722, 1692132, 1757214, 1822296, 1974154, 2050083, 2342952, 2538198, 2733444, 2961231, 3384264, 3514428, 3807297, 3948308, 4100166, 5076396, 5466888, 5922462, 6150249, 7028856, 7614594, 7896616, 8200332, 8883693, 10152792, 11421891, 11844924, 12300498, 15229188, 16400664, 17767386, 22843782, 23689848, 24600996, 26651079, 30458376, 35534772, 45687564, 49201992, 53302158, 71069544, 79953237, 91375128, 106604316, 159906474, 213208632, 319812948, 639625896]

約数ペア:

[(1, 639625896), (2, 319812948), (3, 213208632), (4, 159906474), (6, 106604316), (7, 91375128), (8, 79953237), (9, 71069544), (12, 53302158), (13, 49201992), (14, 45687564), (18, 35534772), (21, 30458376), (24, 26651079), (26, 24600996), (27, 23689848), (28, 22843782), (36, 17767386), (39, 16400664), (42, 15229188), (52, 12300498), (54, 11844924), (56, 11421891), (63, 10152792), (72, 8883693), (78, 8200332), (81, 7896616), (84, 7614594), (91, 7028856), (104, 6150249), (108, 5922462), (117, 5466888), (126, 5076396), (156, 4100166), (162, 3948308), (168, 3807297), (182, 3514428), (189, 3384264), (216, 2961231), (234, 2733444), (252, 2538198), (273, 2342952), (312, 2050083), (324, 1974154), (351, 1822296), (364, 1757214), (378, 1692132), (468, 1366722), (504, 1269099), (546, 1171476), (567, 1128088), (648, 987077), (702, 911148), (728, 878607), (756, 846066), (819, 780984), (936, 683361), (1053, 607432), (1092, 585738), (1134, 564044), (1404, 455574), (1512, 423033), (1638, 390492), (2106, 303716), (2184, 292869), (2268, 282022), (2457, 260328), (2808, 227787), (3276, 195246), (4212, 151858), (4536, 141011), (4914, 130164), (6552, 97623), (7371, 86776), (8424, 75929), (9828, 65082), (10847, 58968), (14742, 43388), (19656, 32541), (21694, 29484)]