8515520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 112

約数和(自身を含む): 23042880

約数和(自身を除く): 14527360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 89, 92, 104, 115, 130, 160, 178, 184, 208, 230, 260, 299, 320, 356, 368, 416, 445, 460, 520, 598, 712, 736, 832, 890, 920, 1040, 1157, 1196, 1424, 1472, 1495, 1780, 1840, 2047, 2080, 2314, 2392, 2848, 2990, 3560, 3680, 4094, 4160, 4628, 4784, 5696, 5785, 5980, 7120, 7360, 8188, 9256, 9568, 10235, 11570, 11960, 14240, 16376, 18512, 19136, 20470, 23140, 23920, 26611, 28480, 32752, 37024, 40940, 46280, 47840, 53222, 65504, 74048, 81880, 92560, 95680, 106444, 131008, 133055, 163760, 185120, 212888, 266110, 327520, 370240, 425776, 532220, 655040, 851552, 1064440, 1703104, 2128880, 4257760, 8515520]

約数ペア:

[(1, 8515520), (2, 4257760), (4, 2128880), (5, 1703104), (8, 1064440), (10, 851552), (13, 655040), (16, 532220), (20, 425776), (23, 370240), (26, 327520), (32, 266110), (40, 212888), (46, 185120), (52, 163760), (64, 133055), (65, 131008), (80, 106444), (89, 95680), (92, 92560), (104, 81880), (115, 74048), (130, 65504), (160, 53222), (178, 47840), (184, 46280), (208, 40940), (230, 37024), (260, 32752), (299, 28480), (320, 26611), (356, 23920), (368, 23140), (416, 20470), (445, 19136), (460, 18512), (520, 16376), (598, 14240), (712, 11960), (736, 11570), (832, 10235), (890, 9568), (920, 9256), (1040, 8188), (1157, 7360), (1196, 7120), (1424, 5980), (1472, 5785), (1495, 5696), (1780, 4784), (1840, 4628), (2047, 4160), (2080, 4094), (2314, 3680), (2392, 3560), (2848, 2990)]