25920960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 224

約数和(自身を含む): 92854272

約数和(自身を除く): 66933312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 67, 78, 80, 93, 96, 104, 120, 124, 130, 134, 155, 156, 160, 186, 192, 195, 201, 208, 240, 248, 260, 268, 310, 312, 320, 335, 372, 390, 402, 403, 416, 465, 480, 496, 520, 536, 620, 624, 670, 744, 780, 804, 806, 832, 871, 930, 960, 992, 1005, 1040, 1072, 1209, 1240, 1248, 1340, 1488, 1560, 1608, 1612, 1742, 1860, 1984, 2010, 2015, 2077, 2080, 2144, 2418, 2480, 2496, 2613, 2680, 2976, 3120, 3216, 3224, 3484, 3720, 4020, 4030, 4154, 4160, 4288, 4355, 4836, 4960, 5226, 5360, 5952, 6045, 6231, 6240, 6432, 6448, 6968, 7440, 8040, 8060, 8308, 8710, 9672, 9920, 10385, 10452, 10720, 12090, 12462, 12480, 12864, 12896, 13065, 13936, 14880, 16080, 16120, 16616, 17420, 19344, 20770, 20904, 21440, 24180, 24924, 25792, 26130, 27001, 27872, 29760, 31155, 32160, 32240, 33232, 34840, 38688, 41540, 41808, 48360, 49848, 52260, 54002, 55744, 62310, 64320, 64480, 66464, 69680, 77376, 81003, 83080, 83616, 96720, 99696, 104520, 108004, 124620, 128960, 132928, 135005, 139360, 162006, 166160, 167232, 193440, 199392, 209040, 216008, 249240, 270010, 278720, 324012, 332320, 386880, 398784, 405015, 418080, 432016, 498480, 540020, 648024, 664640, 810030, 836160, 864032, 996960, 1080040, 1296048, 1620060, 1728064, 1993920, 2160080, 2592096, 3240120, 4320160, 5184192, 6480240, 8640320, 12960480, 25920960]

約数ペア:

[(1, 25920960), (2, 12960480), (3, 8640320), (4, 6480240), (5, 5184192), (6, 4320160), (8, 3240120), (10, 2592096), (12, 2160080), (13, 1993920), (15, 1728064), (16, 1620060), (20, 1296048), (24, 1080040), (26, 996960), (30, 864032), (31, 836160), (32, 810030), (39, 664640), (40, 648024), (48, 540020), (52, 498480), (60, 432016), (62, 418080), (64, 405015), (65, 398784), (67, 386880), (78, 332320), (80, 324012), (93, 278720), (96, 270010), (104, 249240), (120, 216008), (124, 209040), (130, 199392), (134, 193440), (155, 167232), (156, 166160), (160, 162006), (186, 139360), (192, 135005), (195, 132928), (201, 128960), (208, 124620), (240, 108004), (248, 104520), (260, 99696), (268, 96720), (310, 83616), (312, 83080), (320, 81003), (335, 77376), (372, 69680), (390, 66464), (402, 64480), (403, 64320), (416, 62310), (465, 55744), (480, 54002), (496, 52260), (520, 49848), (536, 48360), (620, 41808), (624, 41540), (670, 38688), (744, 34840), (780, 33232), (804, 32240), (806, 32160), (832, 31155), (871, 29760), (930, 27872), (960, 27001), (992, 26130), (1005, 25792), (1040, 24924), (1072, 24180), (1209, 21440), (1240, 20904), (1248, 20770), (1340, 19344), (1488, 17420), (1560, 16616), (1608, 16120), (1612, 16080), (1742, 14880), (1860, 13936), (1984, 13065), (2010, 12896), (2015, 12864), (2077, 12480), (2080, 12462), (2144, 12090), (2418, 10720), (2480, 10452), (2496, 10385), (2613, 9920), (2680, 9672), (2976, 8710), (3120, 8308), (3216, 8060), (3224, 8040), (3484, 7440), (3720, 6968), (4020, 6448), (4030, 6432), (4154, 6240), (4160, 6231), (4288, 6045), (4355, 5952), (4836, 5360), (4960, 5226)]