15720264

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 51436800

約数和(自身を除く): 35716536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 54, 56, 63, 72, 74, 84, 108, 111, 126, 148, 168, 189, 216, 222, 252, 259, 281, 296, 333, 378, 444, 504, 518, 562, 666, 756, 777, 843, 888, 999, 1036, 1124, 1332, 1512, 1554, 1686, 1967, 1998, 2072, 2248, 2331, 2529, 2664, 3108, 3372, 3934, 3996, 4662, 5058, 5901, 6216, 6744, 6993, 7587, 7868, 7992, 9324, 10116, 10397, 11802, 13986, 15174, 15736, 17703, 18648, 20232, 20794, 23604, 27972, 30348, 31191, 35406, 41588, 47208, 53109, 55944, 60696, 62382, 70812, 72779, 83176, 93573, 106218, 124764, 141624, 145558, 187146, 212436, 218337, 249528, 280719, 291116, 374292, 424872, 436674, 561438, 582232, 655011, 748584, 873348, 1122876, 1310022, 1746696, 1965033, 2245752, 2620044, 3930066, 5240088, 7860132, 15720264]

約数ペア:

[(1, 15720264), (2, 7860132), (3, 5240088), (4, 3930066), (6, 2620044), (7, 2245752), (8, 1965033), (9, 1746696), (12, 1310022), (14, 1122876), (18, 873348), (21, 748584), (24, 655011), (27, 582232), (28, 561438), (36, 436674), (37, 424872), (42, 374292), (54, 291116), (56, 280719), (63, 249528), (72, 218337), (74, 212436), (84, 187146), (108, 145558), (111, 141624), (126, 124764), (148, 106218), (168, 93573), (189, 83176), (216, 72779), (222, 70812), (252, 62382), (259, 60696), (281, 55944), (296, 53109), (333, 47208), (378, 41588), (444, 35406), (504, 31191), (518, 30348), (562, 27972), (666, 23604), (756, 20794), (777, 20232), (843, 18648), (888, 17703), (999, 15736), (1036, 15174), (1124, 13986), (1332, 11802), (1512, 10397), (1554, 10116), (1686, 9324), (1967, 7992), (1998, 7868), (2072, 7587), (2248, 6993), (2331, 6744), (2529, 6216), (2664, 5901), (3108, 5058), (3372, 4662), (3934, 3996)]