87907840

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1539

約数の個数: 80

約数和(自身を含む): 220084128

約数和(自身を除く): 132176288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1280, 1472, 1493, 1840, 2560, 2944, 2986, 3680, 5888, 5972, 7360, 7465, 11776, 11944, 14720, 14930, 23888, 29440, 29860, 34339, 47776, 58880, 59720, 68678, 95552, 119440, 137356, 171695, 191104, 238880, 274712, 343390, 382208, 477760, 549424, 686780, 764416, 955520, 1098848, 1373560, 1911040, 2197696, 2747120, 3822080, 4395392, 5494240, 8790784, 10988480, 17581568, 21976960, 43953920, 87907840]

約数ペア:

[(1, 87907840), (2, 43953920), (4, 21976960), (5, 17581568), (8, 10988480), (10, 8790784), (16, 5494240), (20, 4395392), (23, 3822080), (32, 2747120), (40, 2197696), (46, 1911040), (64, 1373560), (80, 1098848), (92, 955520), (115, 764416), (128, 686780), (160, 549424), (184, 477760), (230, 382208), (256, 343390), (320, 274712), (368, 238880), (460, 191104), (512, 171695), (640, 137356), (736, 119440), (920, 95552), (1280, 68678), (1472, 59720), (1493, 58880), (1840, 47776), (2560, 34339), (2944, 29860), (2986, 29440), (3680, 23888), (5888, 14930), (5972, 14720), (7360, 11944), (7465, 11776)]