71997440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 176904000

約数和(自身を除く): 104906560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 89, 128, 158, 160, 178, 256, 316, 320, 356, 395, 445, 512, 632, 640, 712, 790, 890, 1024, 1264, 1280, 1424, 1580, 1780, 2048, 2528, 2560, 2848, 3160, 3560, 5056, 5120, 5696, 6320, 7031, 7120, 10112, 10240, 11392, 12640, 14062, 14240, 20224, 22784, 25280, 28124, 28480, 35155, 40448, 45568, 50560, 56248, 56960, 70310, 80896, 91136, 101120, 112496, 113920, 140620, 161792, 182272, 202240, 224992, 227840, 281240, 404480, 449984, 455680, 562480, 808960, 899968, 911360, 1124960, 1799936, 2249920, 3599872, 4499840, 7199744, 8999680, 14399488, 17999360, 35998720, 71997440]

約数ペア:

[(1, 71997440), (2, 35998720), (4, 17999360), (5, 14399488), (8, 8999680), (10, 7199744), (16, 4499840), (20, 3599872), (32, 2249920), (40, 1799936), (64, 1124960), (79, 911360), (80, 899968), (89, 808960), (128, 562480), (158, 455680), (160, 449984), (178, 404480), (256, 281240), (316, 227840), (320, 224992), (356, 202240), (395, 182272), (445, 161792), (512, 140620), (632, 113920), (640, 112496), (712, 101120), (790, 91136), (890, 80896), (1024, 70310), (1264, 56960), (1280, 56248), (1424, 50560), (1580, 45568), (1780, 40448), (2048, 35155), (2528, 28480), (2560, 28124), (2848, 25280), (3160, 22784), (3560, 20224), (5056, 14240), (5120, 14062), (5696, 12640), (6320, 11392), (7031, 10240), (7120, 10112)]