128649840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48731}}^1$

素因数の和:48758

約数の個数: 80

約数和(自身を含む): 435079296

約数和(自身を除く): 306429456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 48731, 97462, 146193, 194924, 243655, 292386, 389848, 487310, 536041, 584772, 730965, 779696, 974620, 1072082, 1169544, 1461930, 1608123, 1949240, 2144164, 2339088, 2680205, 2923860, 3216246, 3898480, 4288328, 5360410, 5847720, 6432492, 8040615, 8576656, 10720820, 11695440, 12864984, 16081230, 21441640, 25729968, 32162460, 42883280, 64324920, 128649840]

約数ペア:

[(1, 128649840), (2, 64324920), (3, 42883280), (4, 32162460), (5, 25729968), (6, 21441640), (8, 16081230), (10, 12864984), (11, 11695440), (12, 10720820), (15, 8576656), (16, 8040615), (20, 6432492), (22, 5847720), (24, 5360410), (30, 4288328), (33, 3898480), (40, 3216246), (44, 2923860), (48, 2680205), (55, 2339088), (60, 2144164), (66, 1949240), (80, 1608123), (88, 1461930), (110, 1169544), (120, 1072082), (132, 974620), (165, 779696), (176, 730965), (220, 584772), (240, 536041), (264, 487310), (330, 389848), (440, 292386), (528, 243655), (660, 194924), (880, 146193), (1320, 97462), (2640, 48731)]