87518080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 230136480

約数和(自身を除く): 142618400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 128, 130, 134, 157, 160, 208, 260, 268, 314, 320, 335, 416, 520, 536, 628, 640, 670, 785, 832, 871, 1040, 1072, 1256, 1340, 1570, 1664, 1742, 2041, 2080, 2144, 2512, 2680, 3140, 3484, 4082, 4160, 4288, 4355, 5024, 5360, 6280, 6968, 8164, 8320, 8576, 8710, 10048, 10205, 10519, 10720, 12560, 13936, 16328, 17420, 20096, 20410, 21038, 21440, 25120, 27872, 32656, 34840, 40820, 42076, 42880, 50240, 52595, 55744, 65312, 69680, 81640, 84152, 100480, 105190, 111488, 130624, 136747, 139360, 163280, 168304, 210380, 261248, 273494, 278720, 326560, 336608, 420760, 546988, 557440, 653120, 673216, 683735, 841520, 1093976, 1306240, 1346432, 1367470, 1683040, 2187952, 2734940, 3366080, 4375904, 5469880, 6732160, 8751808, 10939760, 17503616, 21879520, 43759040, 87518080]

約数ペア:

[(1, 87518080), (2, 43759040), (4, 21879520), (5, 17503616), (8, 10939760), (10, 8751808), (13, 6732160), (16, 5469880), (20, 4375904), (26, 3366080), (32, 2734940), (40, 2187952), (52, 1683040), (64, 1367470), (65, 1346432), (67, 1306240), (80, 1093976), (104, 841520), (128, 683735), (130, 673216), (134, 653120), (157, 557440), (160, 546988), (208, 420760), (260, 336608), (268, 326560), (314, 278720), (320, 273494), (335, 261248), (416, 210380), (520, 168304), (536, 163280), (628, 139360), (640, 136747), (670, 130624), (785, 111488), (832, 105190), (871, 100480), (1040, 84152), (1072, 81640), (1256, 69680), (1340, 65312), (1570, 55744), (1664, 52595), (1742, 50240), (2041, 42880), (2080, 42076), (2144, 40820), (2512, 34840), (2680, 32656), (3140, 27872), (3484, 25120), (4082, 21440), (4160, 21038), (4288, 20410), (4355, 20096), (5024, 17420), (5360, 16328), (6280, 13936), (6968, 12560), (8164, 10720), (8320, 10519), (8576, 10205), (8710, 10048)]