138046720

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 216

約数和(自身を含む): 402651648

約数和(自身を除く): 264604928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 71, 80, 98, 112, 124, 128, 140, 142, 155, 160, 196, 217, 224, 245, 248, 256, 280, 284, 310, 320, 355, 392, 434, 448, 490, 496, 497, 560, 568, 620, 640, 710, 784, 868, 896, 980, 992, 994, 1085, 1120, 1136, 1240, 1280, 1420, 1519, 1568, 1736, 1792, 1960, 1984, 1988, 2170, 2201, 2240, 2272, 2480, 2485, 2840, 3038, 3136, 3472, 3479, 3920, 3968, 3976, 4340, 4402, 4480, 4544, 4960, 4970, 5680, 6076, 6272, 6944, 6958, 7595, 7840, 7936, 7952, 8680, 8804, 8960, 9088, 9920, 9940, 11005, 11360, 12152, 12544, 13888, 13916, 15190, 15407, 15680, 15904, 17360, 17395, 17608, 18176, 19840, 19880, 22010, 22720, 24304, 27776, 27832, 30380, 30814, 31360, 31808, 34720, 34790, 35216, 39680, 39760, 44020, 45440, 48608, 55552, 55664, 60760, 61628, 62720, 63616, 69440, 69580, 70432, 77035, 79520, 88040, 90880, 97216, 107849, 111328, 121520, 123256, 127232, 138880, 139160, 140864, 154070, 159040, 176080, 194432, 215698, 222656, 243040, 246512, 277760, 278320, 281728, 308140, 318080, 352160, 388864, 431396, 445312, 486080, 493024, 539245, 556640, 563456, 616280, 636160, 704320, 862792, 890624, 972160, 986048, 1078490, 1113280, 1232560, 1408640, 1725584, 1944320, 1972096, 2156980, 2226560, 2465120, 2817280, 3451168, 3944192, 4313960, 4453120, 4930240, 6902336, 8627920, 9860480, 13804672, 17255840, 19720960, 27609344, 34511680, 69023360, 138046720]

約数ペア:

[(1, 138046720), (2, 69023360), (4, 34511680), (5, 27609344), (7, 19720960), (8, 17255840), (10, 13804672), (14, 9860480), (16, 8627920), (20, 6902336), (28, 4930240), (31, 4453120), (32, 4313960), (35, 3944192), (40, 3451168), (49, 2817280), (56, 2465120), (62, 2226560), (64, 2156980), (70, 1972096), (71, 1944320), (80, 1725584), (98, 1408640), (112, 1232560), (124, 1113280), (128, 1078490), (140, 986048), (142, 972160), (155, 890624), (160, 862792), (196, 704320), (217, 636160), (224, 616280), (245, 563456), (248, 556640), (256, 539245), (280, 493024), (284, 486080), (310, 445312), (320, 431396), (355, 388864), (392, 352160), (434, 318080), (448, 308140), (490, 281728), (496, 278320), (497, 277760), (560, 246512), (568, 243040), (620, 222656), (640, 215698), (710, 194432), (784, 176080), (868, 159040), (896, 154070), (980, 140864), (992, 139160), (994, 138880), (1085, 127232), (1120, 123256), (1136, 121520), (1240, 111328), (1280, 107849), (1420, 97216), (1519, 90880), (1568, 88040), (1736, 79520), (1792, 77035), (1960, 70432), (1984, 69580), (1988, 69440), (2170, 63616), (2201, 62720), (2240, 61628), (2272, 60760), (2480, 55664), (2485, 55552), (2840, 48608), (3038, 45440), (3136, 44020), (3472, 39760), (3479, 39680), (3920, 35216), (3968, 34790), (3976, 34720), (4340, 31808), (4402, 31360), (4480, 30814), (4544, 30380), (4960, 27832), (4970, 27776), (5680, 24304), (6076, 22720), (6272, 22010), (6944, 19880), (6958, 19840), (7595, 18176), (7840, 17608), (7936, 17395), (7952, 17360), (8680, 15904), (8804, 15680), (8960, 15407), (9088, 15190), (9920, 13916), (9940, 13888), (11005, 12544), (11360, 12152)]