2108784640

素因数分解:

$2^{15}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 5168352240

約数和(自身を除く): 3059567600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 211, 244, 256, 305, 320, 422, 488, 512, 610, 640, 844, 976, 1024, 1055, 1220, 1280, 1688, 1952, 2048, 2110, 2440, 2560, 3376, 3904, 4096, 4220, 4880, 5120, 6752, 7808, 8192, 8440, 9760, 10240, 12871, 13504, 15616, 16384, 16880, 19520, 20480, 25742, 27008, 31232, 32768, 33760, 39040, 40960, 51484, 54016, 62464, 64355, 67520, 78080, 81920, 102968, 108032, 124928, 128710, 135040, 156160, 163840, 205936, 216064, 249856, 257420, 270080, 312320, 411872, 432128, 499712, 514840, 540160, 624640, 823744, 864256, 999424, 1029680, 1080320, 1249280, 1647488, 1728512, 1998848, 2059360, 2160640, 2498560, 3294976, 3457024, 4118720, 4321280, 4997120, 6589952, 6914048, 8237440, 8642560, 9994240, 13179904, 16474880, 17285120, 26359808, 32949760, 34570240, 52719616, 65899520, 105439232, 131799040, 210878464, 263598080, 421756928, 527196160, 1054392320, 2108784640]

約数ペア:

[(1, 2108784640), (2, 1054392320), (4, 527196160), (5, 421756928), (8, 263598080), (10, 210878464), (16, 131799040), (20, 105439232), (32, 65899520), (40, 52719616), (61, 34570240), (64, 32949760), (80, 26359808), (122, 17285120), (128, 16474880), (160, 13179904), (211, 9994240), (244, 8642560), (256, 8237440), (305, 6914048), (320, 6589952), (422, 4997120), (488, 4321280), (512, 4118720), (610, 3457024), (640, 3294976), (844, 2498560), (976, 2160640), (1024, 2059360), (1055, 1998848), (1220, 1728512), (1280, 1647488), (1688, 1249280), (1952, 1080320), (2048, 1029680), (2110, 999424), (2440, 864256), (2560, 823744), (3376, 624640), (3904, 540160), (4096, 514840), (4220, 499712), (4880, 432128), (5120, 411872), (6752, 312320), (7808, 270080), (8192, 257420), (8440, 249856), (9760, 216064), (10240, 205936), (12871, 163840), (13504, 156160), (15616, 135040), (16384, 128710), (16880, 124928), (19520, 108032), (20480, 102968), (25742, 81920), (27008, 78080), (31232, 67520), (32768, 64355), (33760, 62464), (39040, 54016), (40960, 51484)]