634562560

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2057

約数の個数: 96

約数和(自身を含む): 1572480000

約数和(自身を除く): 937917440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 1999, 2048, 2480, 2560, 3968, 3998, 4960, 5120, 7936, 7996, 9920, 9995, 10240, 15872, 15992, 19840, 19990, 31744, 31984, 39680, 39980, 61969, 63488, 63968, 79360, 79960, 123938, 127936, 158720, 159920, 247876, 255872, 309845, 317440, 319840, 495752, 511744, 619690, 639680, 991504, 1023488, 1239380, 1279360, 1983008, 2046976, 2478760, 2558720, 3966016, 4093952, 4957520, 5117440, 7932032, 9915040, 10234880, 15864064, 19830080, 20469760, 31728128, 39660160, 63456256, 79320320, 126912512, 158640640, 317281280, 634562560]

約数ペア:

[(1, 634562560), (2, 317281280), (4, 158640640), (5, 126912512), (8, 79320320), (10, 63456256), (16, 39660160), (20, 31728128), (31, 20469760), (32, 19830080), (40, 15864064), (62, 10234880), (64, 9915040), (80, 7932032), (124, 5117440), (128, 4957520), (155, 4093952), (160, 3966016), (248, 2558720), (256, 2478760), (310, 2046976), (320, 1983008), (496, 1279360), (512, 1239380), (620, 1023488), (640, 991504), (992, 639680), (1024, 619690), (1240, 511744), (1280, 495752), (1984, 319840), (1999, 317440), (2048, 309845), (2480, 255872), (2560, 247876), (3968, 159920), (3998, 158720), (4960, 127936), (5120, 123938), (7936, 79960), (7996, 79360), (9920, 63968), (9995, 63488), (10240, 61969), (15872, 39980), (15992, 39680), (19840, 31984), (19990, 31744)]