66979840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 166682880

約数和(自身を除く): 99703040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 211, 248, 256, 310, 320, 422, 496, 512, 620, 640, 844, 992, 1024, 1055, 1240, 1280, 1688, 1984, 2048, 2110, 2480, 2560, 3376, 3968, 4220, 4960, 5120, 6541, 6752, 7936, 8440, 9920, 10240, 13082, 13504, 15872, 16880, 19840, 26164, 27008, 31744, 32705, 33760, 39680, 52328, 54016, 63488, 65410, 67520, 79360, 104656, 108032, 130820, 135040, 158720, 209312, 216064, 261640, 270080, 317440, 418624, 432128, 523280, 540160, 837248, 1046560, 1080320, 1674496, 2093120, 2160640, 3348992, 4186240, 6697984, 8372480, 13395968, 16744960, 33489920, 66979840]

約数ペア:

[(1, 66979840), (2, 33489920), (4, 16744960), (5, 13395968), (8, 8372480), (10, 6697984), (16, 4186240), (20, 3348992), (31, 2160640), (32, 2093120), (40, 1674496), (62, 1080320), (64, 1046560), (80, 837248), (124, 540160), (128, 523280), (155, 432128), (160, 418624), (211, 317440), (248, 270080), (256, 261640), (310, 216064), (320, 209312), (422, 158720), (496, 135040), (512, 130820), (620, 108032), (640, 104656), (844, 79360), (992, 67520), (1024, 65410), (1055, 63488), (1240, 54016), (1280, 52328), (1688, 39680), (1984, 33760), (2048, 32705), (2110, 31744), (2480, 27008), (2560, 26164), (3376, 19840), (3968, 16880), (4220, 15872), (4960, 13504), (5120, 13082), (6541, 10240), (6752, 9920), (7936, 8440)]