1405664000

素因数分解:

$2^8\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 288

約数和(自身を含む): 3928404480

約数和(自身を除く): 2522740480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 109, 124, 125, 128, 130, 155, 160, 200, 208, 218, 248, 250, 256, 260, 310, 320, 325, 400, 403, 416, 436, 496, 500, 520, 545, 620, 640, 650, 775, 800, 806, 832, 872, 992, 1000, 1040, 1090, 1240, 1280, 1300, 1417, 1550, 1600, 1612, 1625, 1664, 1744, 1984, 2000, 2015, 2080, 2180, 2480, 2600, 2725, 2834, 3100, 3200, 3224, 3250, 3328, 3379, 3488, 3875, 3968, 4000, 4030, 4160, 4360, 4960, 5200, 5450, 5668, 6200, 6400, 6448, 6500, 6758, 6976, 7085, 7750, 7936, 8000, 8060, 8320, 8720, 9920, 10075, 10400, 10900, 11336, 12400, 12896, 13000, 13516, 13625, 13952, 14170, 15500, 16000, 16120, 16640, 16895, 17440, 19840, 20150, 20800, 21800, 22672, 24800, 25792, 26000, 27032, 27250, 27904, 28340, 31000, 32000, 32240, 33790, 34880, 35425, 39680, 40300, 41600, 43600, 43927, 45344, 49600, 50375, 51584, 52000, 54064, 54500, 56680, 62000, 64480, 67580, 69760, 70850, 80600, 83200, 84475, 87200, 87854, 90688, 99200, 100750, 103168, 104000, 108128, 109000, 113360, 124000, 128960, 135160, 139520, 141700, 161200, 168950, 174400, 175708, 177125, 181376, 198400, 201500, 208000, 216256, 218000, 219635, 226720, 248000, 257920, 270320, 283400, 322400, 337900, 348800, 351416, 354250, 362752, 403000, 416000, 422375, 432512, 436000, 439270, 453440, 496000, 515840, 540640, 566800, 644800, 675800, 697600, 702832, 708500, 806000, 844750, 865024, 872000, 878540, 906880, 992000, 1081280, 1098175, 1133600, 1289600, 1351600, 1405664, 1417000, 1612000, 1689500, 1744000, 1757080, 1813760, 2162560, 2196350, 2267200, 2579200, 2703200, 2811328, 2834000, 3224000, 3379000, 3488000, 3514160, 4325120, 4392700, 4534400, 5406400, 5490875, 5622656, 5668000, 6448000, 6758000, 7028320, 8785400, 9068800, 10812800, 10981750, 11245312, 11336000, 12896000, 13516000, 14056640, 17570800, 21625600, 21963500, 22672000, 27032000, 28113280, 35141600, 43927000, 45344000, 54064000, 56226560, 70283200, 87854000, 108128000, 140566400, 175708000, 281132800, 351416000, 702832000, 1405664000]

約数ペア:

[(1, 1405664000), (2, 702832000), (4, 351416000), (5, 281132800), (8, 175708000), (10, 140566400), (13, 108128000), (16, 87854000), (20, 70283200), (25, 56226560), (26, 54064000), (31, 45344000), (32, 43927000), (40, 35141600), (50, 28113280), (52, 27032000), (62, 22672000), (64, 21963500), (65, 21625600), (80, 17570800), (100, 14056640), (104, 13516000), (109, 12896000), (124, 11336000), (125, 11245312), (128, 10981750), (130, 10812800), (155, 9068800), (160, 8785400), (200, 7028320), (208, 6758000), (218, 6448000), (248, 5668000), (250, 5622656), (256, 5490875), (260, 5406400), (310, 4534400), (320, 4392700), (325, 4325120), (400, 3514160), (403, 3488000), (416, 3379000), (436, 3224000), (496, 2834000), (500, 2811328), (520, 2703200), (545, 2579200), (620, 2267200), (640, 2196350), (650, 2162560), (775, 1813760), (800, 1757080), (806, 1744000), (832, 1689500), (872, 1612000), (992, 1417000), (1000, 1405664), (1040, 1351600), (1090, 1289600), (1240, 1133600), (1280, 1098175), (1300, 1081280), (1417, 992000), (1550, 906880), (1600, 878540), (1612, 872000), (1625, 865024), (1664, 844750), (1744, 806000), (1984, 708500), (2000, 702832), (2015, 697600), (2080, 675800), (2180, 644800), (2480, 566800), (2600, 540640), (2725, 515840), (2834, 496000), (3100, 453440), (3200, 439270), (3224, 436000), (3250, 432512), (3328, 422375), (3379, 416000), (3488, 403000), (3875, 362752), (3968, 354250), (4000, 351416), (4030, 348800), (4160, 337900), (4360, 322400), (4960, 283400), (5200, 270320), (5450, 257920), (5668, 248000), (6200, 226720), (6400, 219635), (6448, 218000), (6500, 216256), (6758, 208000), (6976, 201500), (7085, 198400), (7750, 181376), (7936, 177125), (8000, 175708), (8060, 174400), (8320, 168950), (8720, 161200), (9920, 141700), (10075, 139520), (10400, 135160), (10900, 128960), (11336, 124000), (12400, 113360), (12896, 109000), (13000, 108128), (13516, 104000), (13625, 103168), (13952, 100750), (14170, 99200), (15500, 90688), (16000, 87854), (16120, 87200), (16640, 84475), (16895, 83200), (17440, 80600), (19840, 70850), (20150, 69760), (20800, 67580), (21800, 64480), (22672, 62000), (24800, 56680), (25792, 54500), (26000, 54064), (27032, 52000), (27250, 51584), (27904, 50375), (28340, 49600), (31000, 45344), (32000, 43927), (32240, 43600), (33790, 41600), (34880, 40300), (35425, 39680)]