257600520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{238519}}^1$

素因数の和:238539

約数の個数: 64

約数和(自身を含む): 858672000

約数和(自身を除く): 601071480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 238519, 477038, 715557, 954076, 1192595, 1431114, 1908152, 2146671, 2385190, 2862228, 3577785, 4293342, 4770380, 5724456, 6440013, 7155570, 8586684, 9540760, 10733355, 12880026, 14311140, 17173368, 21466710, 25760052, 28622280, 32200065, 42933420, 51520104, 64400130, 85866840, 128800260, 257600520]

約数ペア:

[(1, 257600520), (2, 128800260), (3, 85866840), (4, 64400130), (5, 51520104), (6, 42933420), (8, 32200065), (9, 28622280), (10, 25760052), (12, 21466710), (15, 17173368), (18, 14311140), (20, 12880026), (24, 10733355), (27, 9540760), (30, 8586684), (36, 7155570), (40, 6440013), (45, 5724456), (54, 4770380), (60, 4293342), (72, 3577785), (90, 2862228), (108, 2385190), (120, 2146671), (135, 1908152), (180, 1431114), (216, 1192595), (270, 954076), (360, 715557), (540, 477038), (1080, 238519)]