31493280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 288

約数和(自身を含む): 125483904

約数和(自身を除く): 93990624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 98, 103, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 195, 196, 206, 208, 210, 224, 240, 245, 260, 273, 280, 294, 309, 312, 336, 364, 390, 392, 412, 416, 420, 455, 480, 490, 515, 520, 546, 560, 588, 618, 624, 637, 672, 721, 728, 735, 780, 784, 824, 840, 910, 980, 1030, 1040, 1092, 1120, 1176, 1236, 1248, 1274, 1339, 1365, 1442, 1456, 1470, 1545, 1560, 1568, 1648, 1680, 1820, 1911, 1960, 2060, 2080, 2163, 2184, 2352, 2472, 2548, 2678, 2730, 2884, 2912, 2940, 3090, 3120, 3185, 3296, 3360, 3605, 3640, 3822, 3920, 4017, 4120, 4326, 4368, 4704, 4944, 5047, 5096, 5356, 5460, 5768, 5880, 6180, 6240, 6370, 6695, 7210, 7280, 7644, 7840, 8034, 8240, 8652, 8736, 9373, 9555, 9888, 10094, 10192, 10712, 10815, 10920, 11536, 11760, 12360, 12740, 13390, 14420, 14560, 15141, 15288, 16068, 16480, 17304, 18746, 19110, 20085, 20188, 20384, 21424, 21630, 21840, 23072, 23520, 24720, 25235, 25480, 26780, 28119, 28840, 30282, 30576, 32136, 34608, 37492, 38220, 40170, 40376, 42848, 43260, 43680, 46865, 49440, 50470, 50960, 53560, 56238, 57680, 60564, 61152, 64272, 65611, 69216, 74984, 75705, 76440, 80340, 80752, 86520, 93730, 100940, 101920, 107120, 112476, 115360, 121128, 128544, 131222, 140595, 149968, 151410, 152880, 160680, 161504, 173040, 187460, 196833, 201880, 214240, 224952, 242256, 262444, 281190, 299936, 302820, 305760, 321360, 328055, 346080, 374920, 393666, 403760, 449904, 484512, 524888, 562380, 605640, 642720, 656110, 749840, 787332, 807520, 899808, 984165, 1049776, 1124760, 1211280, 1312220, 1499680, 1574664, 1968330, 2099552, 2249520, 2422560, 2624440, 3149328, 3936660, 4499040, 5248880, 6298656, 7873320, 10497760, 15746640, 31493280]

約数ペア:

[(1, 31493280), (2, 15746640), (3, 10497760), (4, 7873320), (5, 6298656), (6, 5248880), (7, 4499040), (8, 3936660), (10, 3149328), (12, 2624440), (13, 2422560), (14, 2249520), (15, 2099552), (16, 1968330), (20, 1574664), (21, 1499680), (24, 1312220), (26, 1211280), (28, 1124760), (30, 1049776), (32, 984165), (35, 899808), (39, 807520), (40, 787332), (42, 749840), (48, 656110), (49, 642720), (52, 605640), (56, 562380), (60, 524888), (65, 484512), (70, 449904), (78, 403760), (80, 393666), (84, 374920), (91, 346080), (96, 328055), (98, 321360), (103, 305760), (104, 302820), (105, 299936), (112, 281190), (120, 262444), (130, 242256), (140, 224952), (147, 214240), (156, 201880), (160, 196833), (168, 187460), (182, 173040), (195, 161504), (196, 160680), (206, 152880), (208, 151410), (210, 149968), (224, 140595), (240, 131222), (245, 128544), (260, 121128), (273, 115360), (280, 112476), (294, 107120), (309, 101920), (312, 100940), (336, 93730), (364, 86520), (390, 80752), (392, 80340), (412, 76440), (416, 75705), (420, 74984), (455, 69216), (480, 65611), (490, 64272), (515, 61152), (520, 60564), (546, 57680), (560, 56238), (588, 53560), (618, 50960), (624, 50470), (637, 49440), (672, 46865), (721, 43680), (728, 43260), (735, 42848), (780, 40376), (784, 40170), (824, 38220), (840, 37492), (910, 34608), (980, 32136), (1030, 30576), (1040, 30282), (1092, 28840), (1120, 28119), (1176, 26780), (1236, 25480), (1248, 25235), (1274, 24720), (1339, 23520), (1365, 23072), (1442, 21840), (1456, 21630), (1470, 21424), (1545, 20384), (1560, 20188), (1568, 20085), (1648, 19110), (1680, 18746), (1820, 17304), (1911, 16480), (1960, 16068), (2060, 15288), (2080, 15141), (2163, 14560), (2184, 14420), (2352, 13390), (2472, 12740), (2548, 12360), (2678, 11760), (2730, 11536), (2884, 10920), (2912, 10815), (2940, 10712), (3090, 10192), (3120, 10094), (3185, 9888), (3296, 9555), (3360, 9373), (3605, 8736), (3640, 8652), (3822, 8240), (3920, 8034), (4017, 7840), (4120, 7644), (4326, 7280), (4368, 7210), (4704, 6695), (4944, 6370), (5047, 6240), (5096, 6180), (5356, 5880), (5460, 5768)]