77455360

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 112

約数和(自身を含む): 195023232

約数和(自身を除く): 117567872

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, 18910, 19520, 19840, 20480, 30256, 31232, 31744, 37820, 39040, 39680, 40960, 60512, 62464, 63488, 75640, 78080, 79360, 121024, 124928, 126976, 151280, 156160, 158720, 242048, 249856, 253952, 302560, 312320, 317440, 484096, 499712, 605120, 624640, 634880, 968192, 1210240, 1249280, 1269760, 1936384, 2420480, 2498560, 3872768, 4840960, 7745536, 9681920, 15491072, 19363840, 38727680, 77455360]

約数ペア:

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