252444160

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3235

約数の個数: 80

約数和(自身を含む): 624995712

約数和(自身を除く): 372551552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3181, 3968, 4960, 6362, 7936, 9920, 12724, 15872, 15905, 19840, 25448, 31810, 39680, 50896, 63620, 79360, 98611, 101792, 127240, 197222, 203584, 254480, 394444, 407168, 493055, 508960, 788888, 814336, 986110, 1017920, 1577776, 1628672, 1972220, 2035840, 3155552, 3944440, 4071680, 6311104, 7888880, 8143360, 12622208, 15777760, 25244416, 31555520, 50488832, 63111040, 126222080, 252444160]

約数ペア:

[(1, 252444160), (2, 126222080), (4, 63111040), (5, 50488832), (8, 31555520), (10, 25244416), (16, 15777760), (20, 12622208), (31, 8143360), (32, 7888880), (40, 6311104), (62, 4071680), (64, 3944440), (80, 3155552), (124, 2035840), (128, 1972220), (155, 1628672), (160, 1577776), (248, 1017920), (256, 986110), (310, 814336), (320, 788888), (496, 508960), (512, 493055), (620, 407168), (640, 394444), (992, 254480), (1240, 203584), (1280, 197222), (1984, 127240), (2480, 101792), (2560, 98611), (3181, 79360), (3968, 63620), (4960, 50896), (6362, 39680), (7936, 31810), (9920, 25448), (12724, 19840), (15872, 15905)]