65891280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:474

約数の個数: 240

約数和(自身を含む): 256483584

約数和(自身を除く): 190592304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 431, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 862, 910, 980, 1040, 1092, 1176, 1274, 1293, 1365, 1456, 1470, 1560, 1680, 1724, 1820, 1911, 1960, 2155, 2184, 2352, 2548, 2586, 2730, 2940, 3017, 3120, 3185, 3448, 3640, 3822, 3920, 4310, 4368, 5096, 5172, 5460, 5603, 5880, 6034, 6370, 6465, 6896, 7280, 7644, 8620, 9051, 9555, 10192, 10344, 10920, 11206, 11760, 12068, 12740, 12930, 15085, 15288, 16809, 17240, 18102, 19110, 20688, 21119, 21840, 22412, 24136, 25480, 25860, 28015, 30170, 30576, 33618, 34480, 36204, 38220, 39221, 42238, 44824, 45255, 48272, 50960, 51720, 56030, 60340, 63357, 67236, 72408, 76440, 78442, 84045, 84476, 89648, 90510, 103440, 105595, 112060, 117663, 120680, 126714, 134472, 144816, 152880, 156884, 168090, 168952, 181020, 196105, 211190, 224120, 235326, 241360, 253428, 268944, 274547, 313768, 316785, 336180, 337904, 362040, 392210, 422380, 448240, 470652, 506856, 549094, 588315, 627536, 633570, 672360, 724080, 784420, 823641, 844760, 941304, 1013712, 1098188, 1176630, 1267140, 1344720, 1372735, 1568840, 1647282, 1689520, 1882608, 2196376, 2353260, 2534280, 2745470, 3137680, 3294564, 4118205, 4392752, 4706520, 5068560, 5490940, 6589128, 8236410, 9413040, 10981880, 13178256, 16472820, 21963760, 32945640, 65891280]

約数ペア:

[(1, 65891280), (2, 32945640), (3, 21963760), (4, 16472820), (5, 13178256), (6, 10981880), (7, 9413040), (8, 8236410), (10, 6589128), (12, 5490940), (13, 5068560), (14, 4706520), (15, 4392752), (16, 4118205), (20, 3294564), (21, 3137680), (24, 2745470), (26, 2534280), (28, 2353260), (30, 2196376), (35, 1882608), (39, 1689520), (40, 1647282), (42, 1568840), (48, 1372735), (49, 1344720), (52, 1267140), (56, 1176630), (60, 1098188), (65, 1013712), (70, 941304), (78, 844760), (80, 823641), (84, 784420), (91, 724080), (98, 672360), (104, 633570), (105, 627536), (112, 588315), (120, 549094), (130, 506856), (140, 470652), (147, 448240), (156, 422380), (168, 392210), (182, 362040), (195, 337904), (196, 336180), (208, 316785), (210, 313768), (240, 274547), (245, 268944), (260, 253428), (273, 241360), (280, 235326), (294, 224120), (312, 211190), (336, 196105), (364, 181020), (390, 168952), (392, 168090), (420, 156884), (431, 152880), (455, 144816), (490, 134472), (520, 126714), (546, 120680), (560, 117663), (588, 112060), (624, 105595), (637, 103440), (728, 90510), (735, 89648), (780, 84476), (784, 84045), (840, 78442), (862, 76440), (910, 72408), (980, 67236), (1040, 63357), (1092, 60340), (1176, 56030), (1274, 51720), (1293, 50960), (1365, 48272), (1456, 45255), (1470, 44824), (1560, 42238), (1680, 39221), (1724, 38220), (1820, 36204), (1911, 34480), (1960, 33618), (2155, 30576), (2184, 30170), (2352, 28015), (2548, 25860), (2586, 25480), (2730, 24136), (2940, 22412), (3017, 21840), (3120, 21119), (3185, 20688), (3448, 19110), (3640, 18102), (3822, 17240), (3920, 16809), (4310, 15288), (4368, 15085), (5096, 12930), (5172, 12740), (5460, 12068), (5603, 11760), (5880, 11206), (6034, 10920), (6370, 10344), (6465, 10192), (6896, 9555), (7280, 9051), (7644, 8620)]