513156640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{337}}^1$

素因数の和:690

約数の個数: 96

約数和(自身を含む): 1259241984

約数和(自身を除く): 746085344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 307, 310, 337, 496, 614, 620, 674, 992, 1228, 1240, 1348, 1535, 1685, 2456, 2480, 2696, 3070, 3370, 4912, 4960, 5392, 6140, 6740, 9517, 9824, 10447, 10784, 12280, 13480, 19034, 20894, 24560, 26960, 38068, 41788, 47585, 49120, 52235, 53920, 76136, 83576, 95170, 103459, 104470, 152272, 167152, 190340, 206918, 208940, 304544, 334304, 380680, 413836, 417880, 517295, 761360, 827672, 835760, 1034590, 1522720, 1655344, 1671520, 2069180, 3207229, 3310688, 4138360, 6414458, 8276720, 12828916, 16036145, 16553440, 25657832, 32072290, 51315664, 64144580, 102631328, 128289160, 256578320, 513156640]

約数ペア:

[(1, 513156640), (2, 256578320), (4, 128289160), (5, 102631328), (8, 64144580), (10, 51315664), (16, 32072290), (20, 25657832), (31, 16553440), (32, 16036145), (40, 12828916), (62, 8276720), (80, 6414458), (124, 4138360), (155, 3310688), (160, 3207229), (248, 2069180), (307, 1671520), (310, 1655344), (337, 1522720), (496, 1034590), (614, 835760), (620, 827672), (674, 761360), (992, 517295), (1228, 417880), (1240, 413836), (1348, 380680), (1535, 334304), (1685, 304544), (2456, 208940), (2480, 206918), (2696, 190340), (3070, 167152), (3370, 152272), (4912, 104470), (4960, 103459), (5392, 95170), (6140, 83576), (6740, 76136), (9517, 53920), (9824, 52235), (10447, 49120), (10784, 47585), (12280, 41788), (13480, 38068), (19034, 26960), (20894, 24560)]