65508720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{547}}^1$

素因数の和:1062

約数の個数: 80

約数和(自身を含む): 203856000

約数和(自身を除く): 138347280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 499, 547, 998, 1094, 1497, 1641, 1996, 2188, 2495, 2735, 2994, 3282, 3992, 4376, 4990, 5470, 5988, 6564, 7485, 7984, 8205, 8752, 9980, 10940, 11976, 13128, 14970, 16410, 19960, 21880, 23952, 26256, 29940, 32820, 39920, 43760, 59880, 65640, 119760, 131280, 272953, 545906, 818859, 1091812, 1364765, 1637718, 2183624, 2729530, 3275436, 4094295, 4367248, 5459060, 6550872, 8188590, 10918120, 13101744, 16377180, 21836240, 32754360, 65508720]

約数ペア:

[(1, 65508720), (2, 32754360), (3, 21836240), (4, 16377180), (5, 13101744), (6, 10918120), (8, 8188590), (10, 6550872), (12, 5459060), (15, 4367248), (16, 4094295), (20, 3275436), (24, 2729530), (30, 2183624), (40, 1637718), (48, 1364765), (60, 1091812), (80, 818859), (120, 545906), (240, 272953), (499, 131280), (547, 119760), (998, 65640), (1094, 59880), (1497, 43760), (1641, 39920), (1996, 32820), (2188, 29940), (2495, 26256), (2735, 23952), (2994, 21880), (3282, 19960), (3992, 16410), (4376, 14970), (4990, 13128), (5470, 11976), (5988, 10940), (6564, 9980), (7485, 8752), (7984, 8205)]