664340400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:613

約数の個数: 240

約数和(自身を含む): 2387124000

約数和(自身を除く): 1722783600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 137, 144, 150, 180, 200, 216, 225, 240, 270, 274, 300, 360, 400, 411, 432, 449, 450, 540, 548, 600, 675, 685, 720, 822, 898, 900, 1080, 1096, 1200, 1233, 1347, 1350, 1370, 1644, 1796, 1800, 2055, 2160, 2192, 2245, 2466, 2694, 2700, 2740, 3288, 3425, 3592, 3600, 3699, 4041, 4110, 4490, 4932, 5388, 5400, 5480, 6165, 6576, 6735, 6850, 7184, 7398, 8082, 8220, 8980, 9864, 10275, 10776, 10800, 10960, 11225, 12123, 12330, 13470, 13700, 14796, 16164, 16440, 17960, 18495, 19728, 20205, 20550, 21552, 22450, 24246, 24660, 26940, 27400, 29592, 30825, 32328, 32880, 33675, 35920, 36990, 40410, 41100, 44900, 48492, 49320, 53880, 54800, 59184, 60615, 61513, 61650, 64656, 67350, 73980, 80820, 82200, 89800, 92475, 96984, 98640, 101025, 107760, 121230, 123026, 123300, 134700, 147960, 161640, 164400, 179600, 184539, 184950, 193968, 202050, 242460, 246052, 246600, 269400, 295920, 303075, 307565, 323280, 369078, 369900, 404100, 484920, 492104, 493200, 538800, 553617, 606150, 615130, 738156, 739800, 808200, 922695, 969840, 984208, 1107234, 1212300, 1230260, 1476312, 1479600, 1537825, 1616400, 1660851, 1845390, 2214468, 2424600, 2460520, 2768085, 2952624, 3075650, 3321702, 3690780, 4428936, 4613475, 4849200, 4921040, 5536170, 6151300, 6643404, 7381560, 8304255, 8857872, 9226950, 11072340, 12302600, 13286808, 13840425, 14763120, 16608510, 18453900, 22144680, 24605200, 26573616, 27680850, 33217020, 36907800, 41521275, 44289360, 55361700, 66434040, 73815600, 83042550, 110723400, 132868080, 166085100, 221446800, 332170200, 664340400]

約数ペア:

[(1, 664340400), (2, 332170200), (3, 221446800), (4, 166085100), (5, 132868080), (6, 110723400), (8, 83042550), (9, 73815600), (10, 66434040), (12, 55361700), (15, 44289360), (16, 41521275), (18, 36907800), (20, 33217020), (24, 27680850), (25, 26573616), (27, 24605200), (30, 22144680), (36, 18453900), (40, 16608510), (45, 14763120), (48, 13840425), (50, 13286808), (54, 12302600), (60, 11072340), (72, 9226950), (75, 8857872), (80, 8304255), (90, 7381560), (100, 6643404), (108, 6151300), (120, 5536170), (135, 4921040), (137, 4849200), (144, 4613475), (150, 4428936), (180, 3690780), (200, 3321702), (216, 3075650), (225, 2952624), (240, 2768085), (270, 2460520), (274, 2424600), (300, 2214468), (360, 1845390), (400, 1660851), (411, 1616400), (432, 1537825), (449, 1479600), (450, 1476312), (540, 1230260), (548, 1212300), (600, 1107234), (675, 984208), (685, 969840), (720, 922695), (822, 808200), (898, 739800), (900, 738156), (1080, 615130), (1096, 606150), (1200, 553617), (1233, 538800), (1347, 493200), (1350, 492104), (1370, 484920), (1644, 404100), (1796, 369900), (1800, 369078), (2055, 323280), (2160, 307565), (2192, 303075), (2245, 295920), (2466, 269400), (2694, 246600), (2700, 246052), (2740, 242460), (3288, 202050), (3425, 193968), (3592, 184950), (3600, 184539), (3699, 179600), (4041, 164400), (4110, 161640), (4490, 147960), (4932, 134700), (5388, 123300), (5400, 123026), (5480, 121230), (6165, 107760), (6576, 101025), (6735, 98640), (6850, 96984), (7184, 92475), (7398, 89800), (8082, 82200), (8220, 80820), (8980, 73980), (9864, 67350), (10275, 64656), (10776, 61650), (10800, 61513), (10960, 60615), (11225, 59184), (12123, 54800), (12330, 53880), (13470, 49320), (13700, 48492), (14796, 44900), (16164, 41100), (16440, 40410), (17960, 36990), (18495, 35920), (19728, 33675), (20205, 32880), (20550, 32328), (21552, 30825), (22450, 29592), (24246, 27400), (24660, 26940)]