641041128

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1598

約数の個数: 240

約数和(自身を含む): 2250766980

約数和(自身を除く): 1609725852

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 49, 52, 54, 56, 63, 72, 78, 81, 84, 91, 98, 104, 108, 117, 126, 147, 156, 162, 168, 182, 189, 196, 216, 234, 252, 273, 294, 312, 324, 351, 364, 378, 392, 441, 468, 504, 546, 567, 588, 637, 648, 702, 728, 756, 819, 882, 936, 1053, 1092, 1134, 1176, 1274, 1323, 1404, 1512, 1553, 1638, 1764, 1911, 2106, 2184, 2268, 2457, 2548, 2646, 2808, 3106, 3276, 3528, 3822, 3969, 4212, 4536, 4659, 4914, 5096, 5292, 5733, 6212, 6552, 7371, 7644, 7938, 8424, 9318, 9828, 10584, 10871, 11466, 12424, 13977, 14742, 15288, 15876, 17199, 18636, 19656, 20189, 21742, 22932, 27954, 29484, 31752, 32613, 34398, 37272, 40378, 41931, 43484, 45864, 51597, 55908, 58968, 60567, 65226, 68796, 76097, 80756, 83862, 86968, 97839, 103194, 111816, 121134, 125793, 130452, 137592, 141323, 152194, 161512, 167724, 181701, 195678, 206388, 228291, 242268, 251586, 260904, 282646, 293517, 304388, 335448, 363402, 391356, 412776, 423969, 456582, 484536, 503172, 545103, 565292, 587034, 608776, 684873, 726804, 782712, 847938, 880551, 913164, 989261, 1006344, 1090206, 1130584, 1174068, 1271907, 1369746, 1453608, 1635309, 1695876, 1761102, 1826328, 1978522, 2054619, 2180412, 2348136, 2543814, 2739492, 2967783, 3270618, 3391752, 3522204, 3815721, 3957044, 4109238, 4360824, 5087628, 5478984, 5935566, 6163857, 6541236, 7044408, 7631442, 7914088, 8218476, 8903349, 10175256, 11447163, 11871132, 12327714, 13082472, 15262884, 16436952, 17806698, 22894326, 23742264, 24655428, 26710047, 30525768, 35613396, 45788652, 49310856, 53420094, 71226792, 80130141, 91577304, 106840188, 160260282, 213680376, 320520564, 641041128]

約数ペア:

[(1, 641041128), (2, 320520564), (3, 213680376), (4, 160260282), (6, 106840188), (7, 91577304), (8, 80130141), (9, 71226792), (12, 53420094), (13, 49310856), (14, 45788652), (18, 35613396), (21, 30525768), (24, 26710047), (26, 24655428), (27, 23742264), (28, 22894326), (36, 17806698), (39, 16436952), (42, 15262884), (49, 13082472), (52, 12327714), (54, 11871132), (56, 11447163), (63, 10175256), (72, 8903349), (78, 8218476), (81, 7914088), (84, 7631442), (91, 7044408), (98, 6541236), (104, 6163857), (108, 5935566), (117, 5478984), (126, 5087628), (147, 4360824), (156, 4109238), (162, 3957044), (168, 3815721), (182, 3522204), (189, 3391752), (196, 3270618), (216, 2967783), (234, 2739492), (252, 2543814), (273, 2348136), (294, 2180412), (312, 2054619), (324, 1978522), (351, 1826328), (364, 1761102), (378, 1695876), (392, 1635309), (441, 1453608), (468, 1369746), (504, 1271907), (546, 1174068), (567, 1130584), (588, 1090206), (637, 1006344), (648, 989261), (702, 913164), (728, 880551), (756, 847938), (819, 782712), (882, 726804), (936, 684873), (1053, 608776), (1092, 587034), (1134, 565292), (1176, 545103), (1274, 503172), (1323, 484536), (1404, 456582), (1512, 423969), (1553, 412776), (1638, 391356), (1764, 363402), (1911, 335448), (2106, 304388), (2184, 293517), (2268, 282646), (2457, 260904), (2548, 251586), (2646, 242268), (2808, 228291), (3106, 206388), (3276, 195678), (3528, 181701), (3822, 167724), (3969, 161512), (4212, 152194), (4536, 141323), (4659, 137592), (4914, 130452), (5096, 125793), (5292, 121134), (5733, 111816), (6212, 103194), (6552, 97839), (7371, 86968), (7644, 83862), (7938, 80756), (8424, 76097), (9318, 68796), (9828, 65226), (10584, 60567), (10871, 58968), (11466, 55908), (12424, 51597), (13977, 45864), (14742, 43484), (15288, 41931), (15876, 40378), (17199, 37272), (18636, 34398), (19656, 32613), (20189, 31752), (21742, 29484), (22932, 27954)]