8145280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 23133600

約数和(自身を除く): 14988320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 89, 104, 110, 128, 130, 143, 160, 176, 178, 208, 220, 260, 286, 320, 352, 356, 416, 440, 445, 520, 572, 640, 704, 712, 715, 832, 880, 890, 979, 1040, 1144, 1157, 1408, 1424, 1430, 1664, 1760, 1780, 1958, 2080, 2288, 2314, 2848, 2860, 3520, 3560, 3916, 4160, 4576, 4628, 4895, 5696, 5720, 5785, 7040, 7120, 7832, 8320, 9152, 9256, 9790, 11392, 11440, 11570, 12727, 14240, 15664, 18304, 18512, 19580, 22880, 23140, 25454, 28480, 31328, 37024, 39160, 45760, 46280, 50908, 56960, 62656, 63635, 74048, 78320, 91520, 92560, 101816, 125312, 127270, 148096, 156640, 185120, 203632, 254540, 313280, 370240, 407264, 509080, 626560, 740480, 814528, 1018160, 1629056, 2036320, 4072640, 8145280]

約数ペア:

[(1, 8145280), (2, 4072640), (4, 2036320), (5, 1629056), (8, 1018160), (10, 814528), (11, 740480), (13, 626560), (16, 509080), (20, 407264), (22, 370240), (26, 313280), (32, 254540), (40, 203632), (44, 185120), (52, 156640), (55, 148096), (64, 127270), (65, 125312), (80, 101816), (88, 92560), (89, 91520), (104, 78320), (110, 74048), (128, 63635), (130, 62656), (143, 56960), (160, 50908), (176, 46280), (178, 45760), (208, 39160), (220, 37024), (260, 31328), (286, 28480), (320, 25454), (352, 23140), (356, 22880), (416, 19580), (440, 18512), (445, 18304), (520, 15664), (572, 14240), (640, 12727), (704, 11570), (712, 11440), (715, 11392), (832, 9790), (880, 9256), (890, 9152), (979, 8320), (1040, 7832), (1144, 7120), (1157, 7040), (1408, 5785), (1424, 5720), (1430, 5696), (1664, 4895), (1760, 4628), (1780, 4576), (1958, 4160), (2080, 3916), (2288, 3560), (2314, 3520), (2848, 2860)]