2157639680

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1036

約数の個数: 192

約数和(自身を含む): 6113802240

約数和(自身を除く): 3956162560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 868, 896, 971, 992, 1024, 1085, 1120, 1240, 1280, 1736, 1792, 1942, 1984, 2048, 2170, 2240, 2480, 2560, 3472, 3584, 3884, 3968, 4340, 4480, 4855, 4960, 5120, 6797, 6944, 7168, 7768, 7936, 8680, 8960, 9710, 9920, 10240, 13594, 13888, 14336, 15536, 15872, 17360, 17920, 19420, 19840, 27188, 27776, 30101, 31072, 31744, 33985, 34720, 35840, 38840, 39680, 54376, 55552, 60202, 62144, 63488, 67970, 69440, 71680, 77680, 79360, 108752, 111104, 120404, 124288, 135940, 138880, 150505, 155360, 158720, 210707, 217504, 222208, 240808, 248576, 271880, 277760, 301010, 310720, 317440, 421414, 435008, 444416, 481616, 497152, 543760, 555520, 602020, 621440, 842828, 870016, 963232, 994304, 1053535, 1087520, 1111040, 1204040, 1242880, 1685656, 1740032, 1926464, 1988608, 2107070, 2175040, 2222080, 2408080, 2485760, 3371312, 3480064, 3852928, 4214140, 4350080, 4816160, 4971520, 6742624, 6960128, 7705856, 8428280, 8700160, 9632320, 9943040, 13485248, 13920256, 15411712, 16856560, 17400320, 19264640, 26970496, 30823424, 33713120, 34800640, 38529280, 53940992, 61646848, 67426240, 69601280, 77058560, 107881984, 134852480, 154117120, 215763968, 269704960, 308234240, 431527936, 539409920, 1078819840, 2157639680]

約数ペア:

[(1, 2157639680), (2, 1078819840), (4, 539409920), (5, 431527936), (7, 308234240), (8, 269704960), (10, 215763968), (14, 154117120), (16, 134852480), (20, 107881984), (28, 77058560), (31, 69601280), (32, 67426240), (35, 61646848), (40, 53940992), (56, 38529280), (62, 34800640), (64, 33713120), (70, 30823424), (80, 26970496), (112, 19264640), (124, 17400320), (128, 16856560), (140, 15411712), (155, 13920256), (160, 13485248), (217, 9943040), (224, 9632320), (248, 8700160), (256, 8428280), (280, 7705856), (310, 6960128), (320, 6742624), (434, 4971520), (448, 4816160), (496, 4350080), (512, 4214140), (560, 3852928), (620, 3480064), (640, 3371312), (868, 2485760), (896, 2408080), (971, 2222080), (992, 2175040), (1024, 2107070), (1085, 1988608), (1120, 1926464), (1240, 1740032), (1280, 1685656), (1736, 1242880), (1792, 1204040), (1942, 1111040), (1984, 1087520), (2048, 1053535), (2170, 994304), (2240, 963232), (2480, 870016), (2560, 842828), (3472, 621440), (3584, 602020), (3884, 555520), (3968, 543760), (4340, 497152), (4480, 481616), (4855, 444416), (4960, 435008), (5120, 421414), (6797, 317440), (6944, 310720), (7168, 301010), (7768, 277760), (7936, 271880), (8680, 248576), (8960, 240808), (9710, 222208), (9920, 217504), (10240, 210707), (13594, 158720), (13888, 155360), (14336, 150505), (15536, 138880), (15872, 135940), (17360, 124288), (17920, 120404), (19420, 111104), (19840, 108752), (27188, 79360), (27776, 77680), (30101, 71680), (31072, 69440), (31744, 67970), (33985, 63488), (34720, 62144), (35840, 60202), (38840, 55552), (39680, 54376)]