77377880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 199454400

約数和(自身を除く): 122076520

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 53, 68, 76, 85, 95, 106, 113, 136, 152, 170, 190, 212, 226, 265, 323, 340, 380, 424, 452, 530, 565, 646, 680, 760, 901, 904, 1007, 1060, 1130, 1292, 1615, 1802, 1921, 2014, 2120, 2147, 2260, 2584, 3230, 3604, 3842, 4028, 4294, 4505, 4520, 5035, 5989, 6460, 7208, 7684, 8056, 8588, 9010, 9605, 10070, 10735, 11978, 12920, 15368, 17119, 17176, 18020, 19210, 20140, 21470, 23956, 29945, 34238, 36040, 36499, 38420, 40280, 42940, 47912, 59890, 68476, 72998, 76840, 85595, 85880, 101813, 113791, 119780, 136952, 145996, 171190, 182495, 203626, 227582, 239560, 291992, 342380, 364990, 407252, 455164, 509065, 568955, 684760, 729980, 814504, 910328, 1018130, 1137910, 1459960, 1934447, 2036260, 2275820, 3868894, 4072520, 4551640, 7737788, 9672235, 15475576, 19344470, 38688940, 77377880]

約数ペア:

[(1, 77377880), (2, 38688940), (4, 19344470), (5, 15475576), (8, 9672235), (10, 7737788), (17, 4551640), (19, 4072520), (20, 3868894), (34, 2275820), (38, 2036260), (40, 1934447), (53, 1459960), (68, 1137910), (76, 1018130), (85, 910328), (95, 814504), (106, 729980), (113, 684760), (136, 568955), (152, 509065), (170, 455164), (190, 407252), (212, 364990), (226, 342380), (265, 291992), (323, 239560), (340, 227582), (380, 203626), (424, 182495), (452, 171190), (530, 145996), (565, 136952), (646, 119780), (680, 113791), (760, 101813), (901, 85880), (904, 85595), (1007, 76840), (1060, 72998), (1130, 68476), (1292, 59890), (1615, 47912), (1802, 42940), (1921, 40280), (2014, 38420), (2120, 36499), (2147, 36040), (2260, 34238), (2584, 29945), (3230, 23956), (3604, 21470), (3842, 20140), (4028, 19210), (4294, 18020), (4505, 17176), (4520, 17119), (5035, 15368), (5989, 12920), (6460, 11978), (7208, 10735), (7684, 10070), (8056, 9605), (8588, 9010)]