66879400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 194273280

約数和(自身を除く): 127393880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 31, 35, 40, 46, 50, 56, 62, 67, 70, 92, 100, 115, 124, 134, 140, 155, 161, 175, 184, 200, 217, 230, 248, 268, 280, 310, 322, 335, 350, 434, 460, 469, 536, 575, 620, 644, 670, 700, 713, 775, 805, 868, 920, 938, 1085, 1150, 1240, 1288, 1340, 1400, 1426, 1541, 1550, 1610, 1675, 1736, 1876, 2077, 2170, 2300, 2345, 2680, 2852, 3082, 3100, 3220, 3350, 3565, 3752, 4025, 4154, 4340, 4600, 4690, 4991, 5425, 5704, 6164, 6200, 6440, 6700, 7130, 7705, 8050, 8308, 8680, 9380, 9982, 10385, 10787, 10850, 11725, 12328, 13400, 14260, 14539, 15410, 16100, 16616, 17825, 18760, 19964, 20770, 21574, 21700, 23450, 24955, 28520, 29078, 30820, 32200, 35650, 38525, 39928, 41540, 43148, 43400, 46900, 47771, 49910, 51925, 53935, 58156, 61640, 71300, 72695, 77050, 83080, 86296, 93800, 95542, 99820, 103850, 107870, 116312, 124775, 142600, 145390, 154100, 191084, 199640, 207700, 215740, 238855, 249550, 269675, 290780, 308200, 334397, 363475, 382168, 415400, 431480, 477710, 499100, 539350, 581560, 668794, 726950, 955420, 998200, 1078700, 1194275, 1337588, 1453900, 1671985, 1910840, 2157400, 2388550, 2675176, 2907800, 3343970, 4777100, 6687940, 8359925, 9554200, 13375880, 16719850, 33439700, 66879400]

約数ペア:

[(1, 66879400), (2, 33439700), (4, 16719850), (5, 13375880), (7, 9554200), (8, 8359925), (10, 6687940), (14, 4777100), (20, 3343970), (23, 2907800), (25, 2675176), (28, 2388550), (31, 2157400), (35, 1910840), (40, 1671985), (46, 1453900), (50, 1337588), (56, 1194275), (62, 1078700), (67, 998200), (70, 955420), (92, 726950), (100, 668794), (115, 581560), (124, 539350), (134, 499100), (140, 477710), (155, 431480), (161, 415400), (175, 382168), (184, 363475), (200, 334397), (217, 308200), (230, 290780), (248, 269675), (268, 249550), (280, 238855), (310, 215740), (322, 207700), (335, 199640), (350, 191084), (434, 154100), (460, 145390), (469, 142600), (536, 124775), (575, 116312), (620, 107870), (644, 103850), (670, 99820), (700, 95542), (713, 93800), (775, 86296), (805, 83080), (868, 77050), (920, 72695), (938, 71300), (1085, 61640), (1150, 58156), (1240, 53935), (1288, 51925), (1340, 49910), (1400, 47771), (1426, 46900), (1541, 43400), (1550, 43148), (1610, 41540), (1675, 39928), (1736, 38525), (1876, 35650), (2077, 32200), (2170, 30820), (2300, 29078), (2345, 28520), (2680, 24955), (2852, 23450), (3082, 21700), (3100, 21574), (3220, 20770), (3350, 19964), (3565, 18760), (3752, 17825), (4025, 16616), (4154, 16100), (4340, 15410), (4600, 14539), (4690, 14260), (4991, 13400), (5425, 12328), (5704, 11725), (6164, 10850), (6200, 10787), (6440, 10385), (6700, 9982), (7130, 9380), (7705, 8680), (8050, 8308)]