320190320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 815947776

約数和(自身を除く): 495757456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 47, 62, 67, 80, 82, 94, 124, 134, 155, 164, 188, 205, 235, 248, 268, 310, 328, 335, 376, 410, 470, 496, 536, 620, 656, 670, 752, 820, 940, 1072, 1240, 1271, 1340, 1457, 1640, 1880, 1927, 2077, 2480, 2542, 2680, 2747, 2914, 3149, 3280, 3760, 3854, 4154, 5084, 5360, 5494, 5828, 6298, 6355, 7285, 7708, 8308, 9635, 10168, 10385, 10988, 11656, 12596, 12710, 13735, 14570, 15416, 15745, 16616, 19270, 20336, 20770, 21976, 23312, 25192, 25420, 27470, 29140, 30832, 31490, 33232, 38540, 41540, 43952, 50384, 50840, 54940, 58280, 59737, 62980, 77080, 83080, 85157, 97619, 101680, 109880, 116560, 119474, 125960, 129109, 154160, 166160, 170314, 195238, 219760, 238948, 251920, 258218, 298685, 340628, 390476, 425785, 477896, 488095, 516436, 597370, 645545, 681256, 780952, 851570, 955792, 976190, 1032872, 1194740, 1291090, 1362512, 1561904, 1703140, 1952380, 2065744, 2389480, 2582180, 3406280, 3904760, 4002379, 4778960, 5164360, 6812560, 7809520, 8004758, 10328720, 16009516, 20011895, 32019032, 40023790, 64038064, 80047580, 160095160, 320190320]

約数ペア:

[(1, 320190320), (2, 160095160), (4, 80047580), (5, 64038064), (8, 40023790), (10, 32019032), (16, 20011895), (20, 16009516), (31, 10328720), (40, 8004758), (41, 7809520), (47, 6812560), (62, 5164360), (67, 4778960), (80, 4002379), (82, 3904760), (94, 3406280), (124, 2582180), (134, 2389480), (155, 2065744), (164, 1952380), (188, 1703140), (205, 1561904), (235, 1362512), (248, 1291090), (268, 1194740), (310, 1032872), (328, 976190), (335, 955792), (376, 851570), (410, 780952), (470, 681256), (496, 645545), (536, 597370), (620, 516436), (656, 488095), (670, 477896), (752, 425785), (820, 390476), (940, 340628), (1072, 298685), (1240, 258218), (1271, 251920), (1340, 238948), (1457, 219760), (1640, 195238), (1880, 170314), (1927, 166160), (2077, 154160), (2480, 129109), (2542, 125960), (2680, 119474), (2747, 116560), (2914, 109880), (3149, 101680), (3280, 97619), (3760, 85157), (3854, 83080), (4154, 77080), (5084, 62980), (5360, 59737), (5494, 58280), (5828, 54940), (6298, 50840), (6355, 50384), (7285, 43952), (7708, 41540), (8308, 38540), (9635, 33232), (10168, 31490), (10385, 30832), (10988, 29140), (11656, 27470), (12596, 25420), (12710, 25192), (13735, 23312), (14570, 21976), (15416, 20770), (15745, 20336), (16616, 19270)]