217244640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{907}}^1$

素因数の和:1424

約数の個数: 96

約数和(自身を含む): 686448000

約数和(自身を除く): 469203360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 499, 907, 998, 1497, 1814, 1996, 2495, 2721, 2994, 3628, 3992, 4535, 4990, 5442, 5988, 7256, 7485, 7984, 9070, 9980, 10884, 11976, 13605, 14512, 14970, 15968, 18140, 19960, 21768, 23952, 27210, 29024, 29940, 36280, 39920, 43536, 47904, 54420, 59880, 72560, 79840, 87072, 108840, 119760, 145120, 217680, 239520, 435360, 452593, 905186, 1357779, 1810372, 2262965, 2715558, 3620744, 4525930, 5431116, 6788895, 7241488, 9051860, 10862232, 13577790, 14482976, 18103720, 21724464, 27155580, 36207440, 43448928, 54311160, 72414880, 108622320, 217244640]

約数ペア:

[(1, 217244640), (2, 108622320), (3, 72414880), (4, 54311160), (5, 43448928), (6, 36207440), (8, 27155580), (10, 21724464), (12, 18103720), (15, 14482976), (16, 13577790), (20, 10862232), (24, 9051860), (30, 7241488), (32, 6788895), (40, 5431116), (48, 4525930), (60, 3620744), (80, 2715558), (96, 2262965), (120, 1810372), (160, 1357779), (240, 905186), (480, 452593), (499, 435360), (907, 239520), (998, 217680), (1497, 145120), (1814, 119760), (1996, 108840), (2495, 87072), (2721, 79840), (2994, 72560), (3628, 59880), (3992, 54420), (4535, 47904), (4990, 43536), (5442, 39920), (5988, 36280), (7256, 29940), (7485, 29024), (7984, 27210), (9070, 23952), (9980, 21768), (10884, 19960), (11976, 18140), (13605, 15968), (14512, 14970)]