128961984

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:554

約数の個数: 112

約数和(自身を含む): 360493056

約数和(自身を除く): 231531072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 47, 48, 62, 64, 93, 94, 96, 124, 141, 186, 188, 192, 248, 282, 372, 376, 461, 496, 564, 744, 752, 922, 992, 1128, 1383, 1457, 1488, 1504, 1844, 1984, 2256, 2766, 2914, 2976, 3008, 3688, 4371, 4512, 5532, 5828, 5952, 7376, 8742, 9024, 11064, 11656, 14291, 14752, 17484, 21667, 22128, 23312, 28582, 29504, 34968, 42873, 43334, 44256, 46624, 57164, 65001, 69936, 85746, 86668, 88512, 93248, 114328, 130002, 139872, 171492, 173336, 228656, 260004, 279744, 342984, 346672, 457312, 520008, 671677, 685968, 693344, 914624, 1040016, 1343354, 1371936, 1386688, 2015031, 2080032, 2686708, 2743872, 4030062, 4160064, 5373416, 8060124, 10746832, 16120248, 21493664, 32240496, 42987328, 64480992, 128961984]

約数ペア:

[(1, 128961984), (2, 64480992), (3, 42987328), (4, 32240496), (6, 21493664), (8, 16120248), (12, 10746832), (16, 8060124), (24, 5373416), (31, 4160064), (32, 4030062), (47, 2743872), (48, 2686708), (62, 2080032), (64, 2015031), (93, 1386688), (94, 1371936), (96, 1343354), (124, 1040016), (141, 914624), (186, 693344), (188, 685968), (192, 671677), (248, 520008), (282, 457312), (372, 346672), (376, 342984), (461, 279744), (496, 260004), (564, 228656), (744, 173336), (752, 171492), (922, 139872), (992, 130002), (1128, 114328), (1383, 93248), (1457, 88512), (1488, 86668), (1504, 85746), (1844, 69936), (1984, 65001), (2256, 57164), (2766, 46624), (2914, 44256), (2976, 43334), (3008, 42873), (3688, 34968), (4371, 29504), (4512, 28582), (5532, 23312), (5828, 22128), (5952, 21667), (7376, 17484), (8742, 14752), (9024, 14291), (11064, 11656)]