87742760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16493}}^1$

素因数の和:16530

約数の個数: 64

約数和(自身を含む): 237513600

約数和(自身を除く): 149770840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 16493, 32986, 65972, 82465, 115451, 131944, 164930, 230902, 313367, 329860, 461804, 577255, 626734, 659720, 923608, 1154510, 1253468, 1566835, 2193569, 2309020, 2506936, 3133670, 4387138, 4618040, 6267340, 8774276, 10967845, 12534680, 17548552, 21935690, 43871380, 87742760]

約数ペア:

[(1, 87742760), (2, 43871380), (4, 21935690), (5, 17548552), (7, 12534680), (8, 10967845), (10, 8774276), (14, 6267340), (19, 4618040), (20, 4387138), (28, 3133670), (35, 2506936), (38, 2309020), (40, 2193569), (56, 1566835), (70, 1253468), (76, 1154510), (95, 923608), (133, 659720), (140, 626734), (152, 577255), (190, 461804), (266, 329860), (280, 313367), (380, 230902), (532, 164930), (665, 131944), (760, 115451), (1064, 82465), (1330, 65972), (2660, 32986), (5320, 16493)]