320520564

素因数分解:

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

素因数の和:1596

約数の個数: 180

約数和(自身を含む): 1050357924

約数和(自身を除く): 729837360

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 81, 84, 91, 98, 108, 117, 126, 147, 156, 162, 182, 189, 196, 234, 252, 273, 294, 324, 351, 364, 378, 441, 468, 546, 567, 588, 637, 702, 756, 819, 882, 1053, 1092, 1134, 1274, 1323, 1404, 1553, 1638, 1764, 1911, 2106, 2268, 2457, 2548, 2646, 3106, 3276, 3822, 3969, 4212, 4659, 4914, 5292, 5733, 6212, 7371, 7644, 7938, 9318, 9828, 10871, 11466, 13977, 14742, 15876, 17199, 18636, 20189, 21742, 22932, 27954, 29484, 32613, 34398, 40378, 41931, 43484, 51597, 55908, 60567, 65226, 68796, 76097, 80756, 83862, 97839, 103194, 121134, 125793, 130452, 141323, 152194, 167724, 181701, 195678, 206388, 228291, 242268, 251586, 282646, 293517, 304388, 363402, 391356, 423969, 456582, 503172, 545103, 565292, 587034, 684873, 726804, 847938, 880551, 913164, 989261, 1090206, 1174068, 1271907, 1369746, 1635309, 1695876, 1761102, 1978522, 2054619, 2180412, 2543814, 2739492, 2967783, 3270618, 3522204, 3815721, 3957044, 4109238, 5087628, 5935566, 6163857, 6541236, 7631442, 8218476, 8903349, 11447163, 11871132, 12327714, 15262884, 17806698, 22894326, 24655428, 26710047, 35613396, 45788652, 53420094, 80130141, 106840188, 160260282, 320520564]

約数ペア:

[(1, 320520564), (2, 160260282), (3, 106840188), (4, 80130141), (6, 53420094), (7, 45788652), (9, 35613396), (12, 26710047), (13, 24655428), (14, 22894326), (18, 17806698), (21, 15262884), (26, 12327714), (27, 11871132), (28, 11447163), (36, 8903349), (39, 8218476), (42, 7631442), (49, 6541236), (52, 6163857), (54, 5935566), (63, 5087628), (78, 4109238), (81, 3957044), (84, 3815721), (91, 3522204), (98, 3270618), (108, 2967783), (117, 2739492), (126, 2543814), (147, 2180412), (156, 2054619), (162, 1978522), (182, 1761102), (189, 1695876), (196, 1635309), (234, 1369746), (252, 1271907), (273, 1174068), (294, 1090206), (324, 989261), (351, 913164), (364, 880551), (378, 847938), (441, 726804), (468, 684873), (546, 587034), (567, 565292), (588, 545103), (637, 503172), (702, 456582), (756, 423969), (819, 391356), (882, 363402), (1053, 304388), (1092, 293517), (1134, 282646), (1274, 251586), (1323, 242268), (1404, 228291), (1553, 206388), (1638, 195678), (1764, 181701), (1911, 167724), (2106, 152194), (2268, 141323), (2457, 130452), (2548, 125793), (2646, 121134), (3106, 103194), (3276, 97839), (3822, 83862), (3969, 80756), (4212, 76097), (4659, 68796), (4914, 65226), (5292, 60567), (5733, 55908), (6212, 51597), (7371, 43484), (7644, 41931), (7938, 40378), (9318, 34398), (9828, 32613), (10871, 29484), (11466, 27954), (13977, 22932), (14742, 21742), (15876, 20189), (17199, 18636)]