86920960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 242827200

約数和(自身を除く): 155906240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 109, 112, 128, 140, 160, 178, 218, 224, 256, 280, 320, 356, 436, 445, 448, 545, 560, 623, 640, 712, 763, 872, 890, 896, 1090, 1120, 1246, 1280, 1424, 1526, 1744, 1780, 1792, 2180, 2240, 2492, 2848, 3052, 3115, 3488, 3560, 3815, 4360, 4480, 4984, 5696, 6104, 6230, 6976, 7120, 7630, 8720, 8960, 9701, 9968, 11392, 12208, 12460, 13952, 14240, 15260, 17440, 19402, 19936, 22784, 24416, 24920, 27904, 28480, 30520, 34880, 38804, 39872, 48505, 48832, 49840, 56960, 61040, 67907, 69760, 77608, 79744, 97010, 97664, 99680, 113920, 122080, 135814, 139520, 155216, 159488, 194020, 195328, 199360, 244160, 271628, 310432, 339535, 388040, 398720, 488320, 543256, 620864, 679070, 776080, 797440, 976640, 1086512, 1241728, 1358140, 1552160, 2173024, 2483456, 2716280, 3104320, 4346048, 5432560, 6208640, 8692096, 10865120, 12417280, 17384192, 21730240, 43460480, 86920960]

約数ペア:

[(1, 86920960), (2, 43460480), (4, 21730240), (5, 17384192), (7, 12417280), (8, 10865120), (10, 8692096), (14, 6208640), (16, 5432560), (20, 4346048), (28, 3104320), (32, 2716280), (35, 2483456), (40, 2173024), (56, 1552160), (64, 1358140), (70, 1241728), (80, 1086512), (89, 976640), (109, 797440), (112, 776080), (128, 679070), (140, 620864), (160, 543256), (178, 488320), (218, 398720), (224, 388040), (256, 339535), (280, 310432), (320, 271628), (356, 244160), (436, 199360), (445, 195328), (448, 194020), (545, 159488), (560, 155216), (623, 139520), (640, 135814), (712, 122080), (763, 113920), (872, 99680), (890, 97664), (896, 97010), (1090, 79744), (1120, 77608), (1246, 69760), (1280, 67907), (1424, 61040), (1526, 56960), (1744, 49840), (1780, 48832), (1792, 48505), (2180, 39872), (2240, 38804), (2492, 34880), (2848, 30520), (3052, 28480), (3115, 27904), (3488, 24920), (3560, 24416), (3815, 22784), (4360, 19936), (4480, 19402), (4984, 17440), (5696, 15260), (6104, 14240), (6230, 13952), (6976, 12460), (7120, 12208), (7630, 11392), (8720, 9968), (8960, 9701)]