65931320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 186278400

約数和(自身を除く): 120347080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 91, 104, 118, 130, 140, 182, 236, 260, 280, 295, 307, 364, 413, 455, 472, 520, 590, 614, 728, 767, 826, 910, 1180, 1228, 1534, 1535, 1652, 1820, 2065, 2149, 2360, 2456, 3068, 3070, 3304, 3640, 3835, 3991, 4130, 4298, 5369, 6136, 6140, 7670, 7982, 8260, 8596, 10738, 10745, 12280, 15340, 15964, 16520, 17192, 18113, 19955, 21476, 21490, 26845, 27937, 30680, 31928, 36226, 39910, 42952, 42980, 53690, 55874, 72452, 79820, 85960, 90565, 107380, 111748, 126791, 139685, 144904, 159640, 181130, 214760, 223496, 235469, 253582, 279370, 362260, 470938, 507164, 558740, 633955, 724520, 941876, 1014328, 1117480, 1177345, 1267910, 1648283, 1883752, 2354690, 2535820, 3296566, 4709380, 5071640, 6593132, 8241415, 9418760, 13186264, 16482830, 32965660, 65931320]

約数ペア:

[(1, 65931320), (2, 32965660), (4, 16482830), (5, 13186264), (7, 9418760), (8, 8241415), (10, 6593132), (13, 5071640), (14, 4709380), (20, 3296566), (26, 2535820), (28, 2354690), (35, 1883752), (40, 1648283), (52, 1267910), (56, 1177345), (59, 1117480), (65, 1014328), (70, 941876), (91, 724520), (104, 633955), (118, 558740), (130, 507164), (140, 470938), (182, 362260), (236, 279370), (260, 253582), (280, 235469), (295, 223496), (307, 214760), (364, 181130), (413, 159640), (455, 144904), (472, 139685), (520, 126791), (590, 111748), (614, 107380), (728, 90565), (767, 85960), (826, 79820), (910, 72452), (1180, 55874), (1228, 53690), (1534, 42980), (1535, 42952), (1652, 39910), (1820, 36226), (2065, 31928), (2149, 30680), (2360, 27937), (2456, 26845), (3068, 21490), (3070, 21476), (3304, 19955), (3640, 18113), (3835, 17192), (3991, 16520), (4130, 15964), (4298, 15340), (5369, 12280), (6136, 10745), (6140, 10738), (7670, 8596), (7982, 8260)]