1285864320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51517}}^1$

素因数の和:51552

約数の個数: 128

約数和(自身を含む): 4414062240

約数和(自身を除く): 3128197920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 51517, 103034, 154551, 206068, 257585, 309102, 412136, 515170, 618204, 669721, 772755, 824272, 1030340, 1236408, 1339442, 1545510, 1648544, 2009163, 2060680, 2472816, 2678884, 3091020, 3297088, 3348605, 4018326, 4121360, 4945632, 5357768, 6182040, 6594176, 6697210, 8036652, 8242720, 9891264, 10045815, 10715536, 12364080, 13394420, 16073304, 16485440, 19782528, 20091630, 21431072, 24728160, 26788840, 32146608, 32970880, 40183260, 42862144, 49456320, 53577680, 64293216, 80366520, 85724288, 98912640, 107155360, 128586432, 160733040, 214310720, 257172864, 321466080, 428621440, 642932160, 1285864320]

約数ペア:

[(1, 1285864320), (2, 642932160), (3, 428621440), (4, 321466080), (5, 257172864), (6, 214310720), (8, 160733040), (10, 128586432), (12, 107155360), (13, 98912640), (15, 85724288), (16, 80366520), (20, 64293216), (24, 53577680), (26, 49456320), (30, 42862144), (32, 40183260), (39, 32970880), (40, 32146608), (48, 26788840), (52, 24728160), (60, 21431072), (64, 20091630), (65, 19782528), (78, 16485440), (80, 16073304), (96, 13394420), (104, 12364080), (120, 10715536), (128, 10045815), (130, 9891264), (156, 8242720), (160, 8036652), (192, 6697210), (195, 6594176), (208, 6182040), (240, 5357768), (260, 4945632), (312, 4121360), (320, 4018326), (384, 3348605), (390, 3297088), (416, 3091020), (480, 2678884), (520, 2472816), (624, 2060680), (640, 2009163), (780, 1648544), (832, 1545510), (960, 1339442), (1040, 1236408), (1248, 1030340), (1560, 824272), (1664, 772755), (1920, 669721), (2080, 618204), (2496, 515170), (3120, 412136), (4160, 309102), (4992, 257585), (6240, 206068), (8320, 154551), (12480, 103034), (24960, 51517)]