51521580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{26021}}^1$

素因数の和:26047

約数の個数: 72

約数和(自身を含む): 170496144

約数和(自身を除く): 118974564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 26021, 52042, 78063, 104084, 130105, 156126, 234189, 260210, 286231, 312252, 390315, 468378, 520420, 572462, 780630, 858693, 936756, 1144924, 1170945, 1431155, 1561260, 1717386, 2341890, 2576079, 2862310, 3434772, 4293465, 4683780, 5152158, 5724620, 8586930, 10304316, 12880395, 17173860, 25760790, 51521580]

約数ペア:

[(1, 51521580), (2, 25760790), (3, 17173860), (4, 12880395), (5, 10304316), (6, 8586930), (9, 5724620), (10, 5152158), (11, 4683780), (12, 4293465), (15, 3434772), (18, 2862310), (20, 2576079), (22, 2341890), (30, 1717386), (33, 1561260), (36, 1431155), (44, 1170945), (45, 1144924), (55, 936756), (60, 858693), (66, 780630), (90, 572462), (99, 520420), (110, 468378), (132, 390315), (165, 312252), (180, 286231), (198, 260210), (220, 234189), (330, 156126), (396, 130105), (495, 104084), (660, 78063), (990, 52042), (1980, 26021)]