65568120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 204906240

約数和(自身を除く): 139338120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 97, 120, 129, 131, 172, 194, 215, 258, 262, 291, 344, 388, 393, 430, 485, 516, 524, 582, 645, 655, 776, 786, 860, 970, 1032, 1048, 1164, 1290, 1310, 1455, 1572, 1720, 1940, 1965, 2328, 2580, 2620, 2910, 3144, 3880, 3930, 4171, 5160, 5240, 5633, 5820, 7860, 8342, 11266, 11640, 12513, 12707, 15720, 16684, 16899, 20855, 22532, 25026, 25414, 28165, 33368, 33798, 38121, 41710, 45064, 50052, 50828, 56330, 62565, 63535, 67596, 76242, 83420, 84495, 100104, 101656, 112660, 125130, 127070, 135192, 152484, 166840, 168990, 190605, 225320, 250260, 254140, 304968, 337980, 381210, 500520, 508280, 546401, 675960, 762420, 1092802, 1524840, 1639203, 2185604, 2732005, 3278406, 4371208, 5464010, 6556812, 8196015, 10928020, 13113624, 16392030, 21856040, 32784060, 65568120]

約数ペア:

[(1, 65568120), (2, 32784060), (3, 21856040), (4, 16392030), (5, 13113624), (6, 10928020), (8, 8196015), (10, 6556812), (12, 5464010), (15, 4371208), (20, 3278406), (24, 2732005), (30, 2185604), (40, 1639203), (43, 1524840), (60, 1092802), (86, 762420), (97, 675960), (120, 546401), (129, 508280), (131, 500520), (172, 381210), (194, 337980), (215, 304968), (258, 254140), (262, 250260), (291, 225320), (344, 190605), (388, 168990), (393, 166840), (430, 152484), (485, 135192), (516, 127070), (524, 125130), (582, 112660), (645, 101656), (655, 100104), (776, 84495), (786, 83420), (860, 76242), (970, 67596), (1032, 63535), (1048, 62565), (1164, 56330), (1290, 50828), (1310, 50052), (1455, 45064), (1572, 41710), (1720, 38121), (1940, 33798), (1965, 33368), (2328, 28165), (2580, 25414), (2620, 25026), (2910, 22532), (3144, 20855), (3880, 16899), (3930, 16684), (4171, 15720), (5160, 12707), (5240, 12513), (5633, 11640), (5820, 11266), (7860, 8342)]