1427130880

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:435

約数の個数: 240

約数和(自身を含む): 4120022016

約数和(自身を除く): 2692891136

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, 320, 367, 392, 434, 448, 490, 496, 512, 560, 620, 640, 734, 784, 868, 896, 980, 992, 1085, 1120, 1240, 1280, 1468, 1519, 1568, 1736, 1792, 1835, 1960, 1984, 2170, 2240, 2480, 2560, 2569, 2936, 3038, 3136, 3472, 3584, 3670, 3920, 3968, 4340, 4480, 4960, 5138, 5872, 6076, 6272, 6944, 7340, 7595, 7840, 7936, 8680, 8960, 9920, 10276, 11377, 11744, 12152, 12544, 12845, 13888, 14680, 15190, 15680, 15872, 17360, 17920, 17983, 19840, 20552, 22754, 23488, 24304, 25088, 25690, 27776, 29360, 30380, 31360, 34720, 35966, 39680, 41104, 45508, 46976, 48608, 51380, 55552, 56885, 58720, 60760, 62720, 69440, 71932, 79360, 79639, 82208, 89915, 91016, 93952, 97216, 102760, 111104, 113770, 117440, 121520, 125440, 138880, 143864, 159278, 164416, 179830, 182032, 187904, 194432, 205520, 227540, 234880, 243040, 277760, 287728, 318556, 328832, 359660, 364064, 388864, 398195, 411040, 455080, 469760, 486080, 555520, 557473, 575456, 637112, 657664, 719320, 728128, 777728, 796390, 822080, 910160, 939520, 972160, 1114946, 1150912, 1274224, 1315328, 1438640, 1456256, 1592780, 1644160, 1820320, 1944320, 2229892, 2301824, 2548448, 2787365, 2877280, 2912512, 3185560, 3288320, 3640640, 3888640, 4459784, 4603648, 5096896, 5574730, 5754560, 5825024, 6371120, 6576640, 7281280, 8919568, 9207296, 10193792, 11149460, 11509120, 12742240, 14562560, 17839136, 20387584, 22298920, 23018240, 25484480, 29125120, 35678272, 40775168, 44597840, 46036480, 50968960, 71356544, 89195680, 101937920, 142713088, 178391360, 203875840, 285426176, 356782720, 713565440, 1427130880]

約数ペア:

[(1, 1427130880), (2, 713565440), (4, 356782720), (5, 285426176), (7, 203875840), (8, 178391360), (10, 142713088), (14, 101937920), (16, 89195680), (20, 71356544), (28, 50968960), (31, 46036480), (32, 44597840), (35, 40775168), (40, 35678272), (49, 29125120), (56, 25484480), (62, 23018240), (64, 22298920), (70, 20387584), (80, 17839136), (98, 14562560), (112, 12742240), (124, 11509120), (128, 11149460), (140, 10193792), (155, 9207296), (160, 8919568), (196, 7281280), (217, 6576640), (224, 6371120), (245, 5825024), (248, 5754560), (256, 5574730), (280, 5096896), (310, 4603648), (320, 4459784), (367, 3888640), (392, 3640640), (434, 3288320), (448, 3185560), (490, 2912512), (496, 2877280), (512, 2787365), (560, 2548448), (620, 2301824), (640, 2229892), (734, 1944320), (784, 1820320), (868, 1644160), (896, 1592780), (980, 1456256), (992, 1438640), (1085, 1315328), (1120, 1274224), (1240, 1150912), (1280, 1114946), (1468, 972160), (1519, 939520), (1568, 910160), (1736, 822080), (1792, 796390), (1835, 777728), (1960, 728128), (1984, 719320), (2170, 657664), (2240, 637112), (2480, 575456), (2560, 557473), (2569, 555520), (2936, 486080), (3038, 469760), (3136, 455080), (3472, 411040), (3584, 398195), (3670, 388864), (3920, 364064), (3968, 359660), (4340, 328832), (4480, 318556), (4960, 287728), (5138, 277760), (5872, 243040), (6076, 234880), (6272, 227540), (6944, 205520), (7340, 194432), (7595, 187904), (7840, 182032), (7936, 179830), (8680, 164416), (8960, 159278), (9920, 143864), (10276, 138880), (11377, 125440), (11744, 121520), (12152, 117440), (12544, 113770), (12845, 111104), (13888, 102760), (14680, 97216), (15190, 93952), (15680, 91016), (15872, 89915), (17360, 82208), (17920, 79639), (17983, 79360), (19840, 71932), (20552, 69440), (22754, 62720), (23488, 60760), (24304, 58720), (25088, 56885), (25690, 55552), (27776, 51380), (29360, 48608), (30380, 46976), (31360, 45508), (34720, 41104), (35966, 39680)]