1209367040

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:379

約数の個数: 240

約数和(自身を含む): 3493062144

約数和(自身を除く): 2283695104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 256, 280, 310, 311, 320, 392, 434, 448, 490, 496, 512, 560, 620, 622, 640, 784, 868, 896, 980, 992, 1085, 1120, 1240, 1244, 1280, 1519, 1555, 1568, 1736, 1792, 1960, 1984, 2170, 2177, 2240, 2480, 2488, 2560, 3038, 3110, 3136, 3472, 3584, 3920, 3968, 4340, 4354, 4480, 4960, 4976, 6076, 6220, 6272, 6944, 7595, 7840, 7936, 8680, 8708, 8960, 9641, 9920, 9952, 10885, 12152, 12440, 12544, 13888, 15190, 15239, 15680, 15872, 17360, 17416, 17920, 19282, 19840, 19904, 21770, 24304, 24880, 25088, 27776, 30380, 30478, 31360, 34720, 34832, 38564, 39680, 39808, 43540, 48205, 48608, 49760, 55552, 60760, 60956, 62720, 67487, 69440, 69664, 76195, 77128, 79360, 79616, 87080, 96410, 97216, 99520, 111104, 121520, 121912, 125440, 134974, 138880, 139328, 152390, 154256, 159232, 174160, 192820, 194432, 199040, 243040, 243824, 269948, 277760, 278656, 304780, 308512, 337435, 348320, 385640, 388864, 398080, 472409, 486080, 487648, 539896, 555520, 557312, 609560, 617024, 674870, 696640, 771280, 777728, 796160, 944818, 972160, 975296, 1079792, 1114624, 1219120, 1234048, 1349740, 1393280, 1542560, 1889636, 1944320, 1950592, 2159584, 2362045, 2438240, 2468096, 2699480, 2786560, 3085120, 3779272, 3888640, 3901184, 4319168, 4724090, 4876480, 4936192, 5398960, 5573120, 6170240, 7558544, 7802368, 8638336, 9448180, 9752960, 10797920, 12340480, 15117088, 17276672, 18896360, 19505920, 21595840, 24680960, 30234176, 34553344, 37792720, 39011840, 43191680, 60468352, 75585440, 86383360, 120936704, 151170880, 172766720, 241873408, 302341760, 604683520, 1209367040]

約数ペア:

[(1, 1209367040), (2, 604683520), (4, 302341760), (5, 241873408), (7, 172766720), (8, 151170880), (10, 120936704), (14, 86383360), (16, 75585440), (20, 60468352), (28, 43191680), (31, 39011840), (32, 37792720), (35, 34553344), (40, 30234176), (49, 24680960), (56, 21595840), (62, 19505920), (64, 18896360), (70, 17276672), (80, 15117088), (98, 12340480), (112, 10797920), (124, 9752960), (128, 9448180), (140, 8638336), (155, 7802368), (160, 7558544), (196, 6170240), (217, 5573120), (224, 5398960), (245, 4936192), (248, 4876480), (256, 4724090), (280, 4319168), (310, 3901184), (311, 3888640), (320, 3779272), (392, 3085120), (434, 2786560), (448, 2699480), (490, 2468096), (496, 2438240), (512, 2362045), (560, 2159584), (620, 1950592), (622, 1944320), (640, 1889636), (784, 1542560), (868, 1393280), (896, 1349740), (980, 1234048), (992, 1219120), (1085, 1114624), (1120, 1079792), (1240, 975296), (1244, 972160), (1280, 944818), (1519, 796160), (1555, 777728), (1568, 771280), (1736, 696640), (1792, 674870), (1960, 617024), (1984, 609560), (2170, 557312), (2177, 555520), (2240, 539896), (2480, 487648), (2488, 486080), (2560, 472409), (3038, 398080), (3110, 388864), (3136, 385640), (3472, 348320), (3584, 337435), (3920, 308512), (3968, 304780), (4340, 278656), (4354, 277760), (4480, 269948), (4960, 243824), (4976, 243040), (6076, 199040), (6220, 194432), (6272, 192820), (6944, 174160), (7595, 159232), (7840, 154256), (7936, 152390), (8680, 139328), (8708, 138880), (8960, 134974), (9641, 125440), (9920, 121912), (9952, 121520), (10885, 111104), (12152, 99520), (12440, 97216), (12544, 96410), (13888, 87080), (15190, 79616), (15239, 79360), (15680, 77128), (15872, 76195), (17360, 69664), (17416, 69440), (17920, 67487), (19282, 62720), (19840, 60956), (19904, 60760), (21770, 55552), (24304, 49760), (24880, 48608), (25088, 48205), (27776, 43540), (30380, 39808), (30478, 39680), (31360, 38564), (34720, 34832)]