619642880

素因数分解:

$2^{16}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 136

約数和(自身を含む): 1560269184

約数和(自身を除く): 940626304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 128, 155, 160, 244, 248, 256, 305, 310, 320, 488, 496, 512, 610, 620, 640, 976, 992, 1024, 1220, 1240, 1280, 1891, 1952, 1984, 2048, 2440, 2480, 2560, 3782, 3904, 3968, 4096, 4880, 4960, 5120, 7564, 7808, 7936, 8192, 9455, 9760, 9920, 10240, 15128, 15616, 15872, 16384, 18910, 19520, 19840, 20480, 30256, 31232, 31744, 32768, 37820, 39040, 39680, 40960, 60512, 62464, 63488, 65536, 75640, 78080, 79360, 81920, 121024, 124928, 126976, 151280, 156160, 158720, 163840, 242048, 249856, 253952, 302560, 312320, 317440, 327680, 484096, 499712, 507904, 605120, 624640, 634880, 968192, 999424, 1015808, 1210240, 1249280, 1269760, 1936384, 1998848, 2031616, 2420480, 2498560, 2539520, 3872768, 3997696, 4840960, 4997120, 5079040, 7745536, 9681920, 9994240, 10158080, 15491072, 19363840, 19988480, 30982144, 38727680, 61964288, 77455360, 123928576, 154910720, 309821440, 619642880]

約数ペア:

[(1, 619642880), (2, 309821440), (4, 154910720), (5, 123928576), (8, 77455360), (10, 61964288), (16, 38727680), (20, 30982144), (31, 19988480), (32, 19363840), (40, 15491072), (61, 10158080), (62, 9994240), (64, 9681920), (80, 7745536), (122, 5079040), (124, 4997120), (128, 4840960), (155, 3997696), (160, 3872768), (244, 2539520), (248, 2498560), (256, 2420480), (305, 2031616), (310, 1998848), (320, 1936384), (488, 1269760), (496, 1249280), (512, 1210240), (610, 1015808), (620, 999424), (640, 968192), (976, 634880), (992, 624640), (1024, 605120), (1220, 507904), (1240, 499712), (1280, 484096), (1891, 327680), (1952, 317440), (1984, 312320), (2048, 302560), (2440, 253952), (2480, 249856), (2560, 242048), (3782, 163840), (3904, 158720), (3968, 156160), (4096, 151280), (4880, 126976), (4960, 124928), (5120, 121024), (7564, 81920), (7808, 79360), (7936, 78080), (8192, 75640), (9455, 65536), (9760, 63488), (9920, 62464), (10240, 60512), (15128, 40960), (15616, 39680), (15872, 39040), (16384, 37820), (18910, 32768), (19520, 31744), (19840, 31232), (20480, 30256)]