21575127040

素因数分解:

$2^{12}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2076

約数の個数: 208

約数和(自身を含む): 56616192000

約数和(自身を除く): 35041064960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 496, 512, 527, 544, 620, 640, 680, 992, 1024, 1054, 1088, 1240, 1280, 1360, 1984, 1999, 2048, 2108, 2176, 2480, 2560, 2635, 2720, 3968, 3998, 4096, 4216, 4352, 4960, 5120, 5270, 5440, 7936, 7996, 8432, 8704, 9920, 9995, 10240, 10540, 10880, 15872, 15992, 16864, 17408, 19840, 19990, 20480, 21080, 21760, 31744, 31984, 33728, 33983, 34816, 39680, 39980, 42160, 43520, 61969, 63488, 63968, 67456, 67966, 69632, 79360, 79960, 84320, 87040, 123938, 126976, 127936, 134912, 135932, 158720, 159920, 168640, 169915, 174080, 247876, 255872, 269824, 271864, 309845, 317440, 319840, 337280, 339830, 348160, 495752, 511744, 539648, 543728, 619690, 634880, 639680, 674560, 679660, 991504, 1023488, 1053473, 1079296, 1087456, 1239380, 1279360, 1349120, 1359320, 1983008, 2046976, 2106946, 2158592, 2174912, 2478760, 2558720, 2698240, 2718640, 3966016, 4093952, 4213892, 4349824, 4957520, 5117440, 5267365, 5396480, 5437280, 7932032, 8187904, 8427784, 8699648, 9915040, 10234880, 10534730, 10792960, 10874560, 15864064, 16855568, 17399296, 19830080, 20469760, 21069460, 21749120, 31728128, 33711136, 34798592, 39660160, 40939520, 42138920, 43498240, 63456256, 67422272, 69597184, 79320320, 84277840, 86996480, 126912512, 134844544, 139194368, 158640640, 168555680, 173992960, 253825024, 269689088, 317281280, 337111360, 347985920, 539378176, 634562560, 674222720, 695971840, 1078756352, 1269125120, 1348445440, 2157512704, 2696890880, 4315025408, 5393781760, 10787563520, 21575127040]

約数ペア:

[(1, 21575127040), (2, 10787563520), (4, 5393781760), (5, 4315025408), (8, 2696890880), (10, 2157512704), (16, 1348445440), (17, 1269125120), (20, 1078756352), (31, 695971840), (32, 674222720), (34, 634562560), (40, 539378176), (62, 347985920), (64, 337111360), (68, 317281280), (80, 269689088), (85, 253825024), (124, 173992960), (128, 168555680), (136, 158640640), (155, 139194368), (160, 134844544), (170, 126912512), (248, 86996480), (256, 84277840), (272, 79320320), (310, 69597184), (320, 67422272), (340, 63456256), (496, 43498240), (512, 42138920), (527, 40939520), (544, 39660160), (620, 34798592), (640, 33711136), (680, 31728128), (992, 21749120), (1024, 21069460), (1054, 20469760), (1088, 19830080), (1240, 17399296), (1280, 16855568), (1360, 15864064), (1984, 10874560), (1999, 10792960), (2048, 10534730), (2108, 10234880), (2176, 9915040), (2480, 8699648), (2560, 8427784), (2635, 8187904), (2720, 7932032), (3968, 5437280), (3998, 5396480), (4096, 5267365), (4216, 5117440), (4352, 4957520), (4960, 4349824), (5120, 4213892), (5270, 4093952), (5440, 3966016), (7936, 2718640), (7996, 2698240), (8432, 2558720), (8704, 2478760), (9920, 2174912), (9995, 2158592), (10240, 2106946), (10540, 2046976), (10880, 1983008), (15872, 1359320), (15992, 1349120), (16864, 1279360), (17408, 1239380), (19840, 1087456), (19990, 1079296), (20480, 1053473), (21080, 1023488), (21760, 991504), (31744, 679660), (31984, 674560), (33728, 639680), (33983, 634880), (34816, 619690), (39680, 543728), (39980, 539648), (42160, 511744), (43520, 495752), (61969, 348160), (63488, 339830), (63968, 337280), (67456, 319840), (67966, 317440), (69632, 309845), (79360, 271864), (79960, 269824), (84320, 255872), (87040, 247876), (123938, 174080), (126976, 169915), (127936, 168640), (134912, 159920), (135932, 158720)]