67440880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3413}}^1$

素因数の和:3458

約数の個数: 80

約数和(自身を含む): 177801120

約数和(自身を除く): 110360240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3413, 3952, 4940, 6826, 9880, 13652, 17065, 19760, 27304, 34130, 44369, 54608, 64847, 68260, 88738, 129694, 136520, 177476, 221845, 259388, 273040, 324235, 354952, 443690, 518776, 648470, 709904, 843011, 887380, 1037552, 1296940, 1686022, 1774760, 2593880, 3372044, 3549520, 4215055, 5187760, 6744088, 8430110, 13488176, 16860220, 33720440, 67440880]

約数ペア:

[(1, 67440880), (2, 33720440), (4, 16860220), (5, 13488176), (8, 8430110), (10, 6744088), (13, 5187760), (16, 4215055), (19, 3549520), (20, 3372044), (26, 2593880), (38, 1774760), (40, 1686022), (52, 1296940), (65, 1037552), (76, 887380), (80, 843011), (95, 709904), (104, 648470), (130, 518776), (152, 443690), (190, 354952), (208, 324235), (247, 273040), (260, 259388), (304, 221845), (380, 177476), (494, 136520), (520, 129694), (760, 88738), (988, 68260), (1040, 64847), (1235, 54608), (1520, 44369), (1976, 34130), (2470, 27304), (3413, 19760), (3952, 17065), (4940, 13652), (6826, 9880)]