28972160

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 128

約数和(自身を含む): 82252800

約数和(自身を除く): 53280640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 223, 224, 232, 280, 290, 320, 406, 446, 448, 464, 560, 580, 640, 812, 892, 896, 928, 1015, 1115, 1120, 1160, 1561, 1624, 1784, 1856, 2030, 2230, 2240, 2320, 3122, 3248, 3568, 3712, 4060, 4460, 4480, 4640, 6244, 6467, 6496, 7136, 7805, 8120, 8920, 9280, 12488, 12934, 12992, 14272, 15610, 16240, 17840, 18560, 24976, 25868, 25984, 28544, 31220, 32335, 32480, 35680, 45269, 49952, 51736, 62440, 64670, 64960, 71360, 90538, 99904, 103472, 124880, 129340, 129920, 142720, 181076, 199808, 206944, 226345, 249760, 258680, 362152, 413888, 452690, 499520, 517360, 724304, 827776, 905380, 999040, 1034720, 1448608, 1810760, 2069440, 2897216, 3621520, 4138880, 5794432, 7243040, 14486080, 28972160]

約数ペア:

[(1, 28972160), (2, 14486080), (4, 7243040), (5, 5794432), (7, 4138880), (8, 3621520), (10, 2897216), (14, 2069440), (16, 1810760), (20, 1448608), (28, 1034720), (29, 999040), (32, 905380), (35, 827776), (40, 724304), (56, 517360), (58, 499520), (64, 452690), (70, 413888), (80, 362152), (112, 258680), (116, 249760), (128, 226345), (140, 206944), (145, 199808), (160, 181076), (203, 142720), (223, 129920), (224, 129340), (232, 124880), (280, 103472), (290, 99904), (320, 90538), (406, 71360), (446, 64960), (448, 64670), (464, 62440), (560, 51736), (580, 49952), (640, 45269), (812, 35680), (892, 32480), (896, 32335), (928, 31220), (1015, 28544), (1115, 25984), (1120, 25868), (1160, 24976), (1561, 18560), (1624, 17840), (1784, 16240), (1856, 15610), (2030, 14272), (2230, 12992), (2240, 12934), (2320, 12488), (3122, 9280), (3248, 8920), (3568, 8120), (3712, 7805), (4060, 7136), (4460, 6496), (4480, 6467), (4640, 6244)]