39641580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20021}}^1$

素因数の和:20047

約数の個数: 72

約数和(自身を含む): 131184144

約数和(自身を除く): 91542564

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, 20021, 40042, 60063, 80084, 100105, 120126, 180189, 200210, 220231, 240252, 300315, 360378, 400420, 440462, 600630, 660693, 720756, 880924, 900945, 1101155, 1201260, 1321386, 1801890, 1982079, 2202310, 2642772, 3303465, 3603780, 3964158, 4404620, 6606930, 7928316, 9910395, 13213860, 19820790, 39641580]

約数ペア:

[(1, 39641580), (2, 19820790), (3, 13213860), (4, 9910395), (5, 7928316), (6, 6606930), (9, 4404620), (10, 3964158), (11, 3603780), (12, 3303465), (15, 2642772), (18, 2202310), (20, 1982079), (22, 1801890), (30, 1321386), (33, 1201260), (36, 1101155), (44, 900945), (45, 880924), (55, 720756), (60, 660693), (66, 600630), (90, 440462), (99, 400420), (110, 360378), (132, 300315), (165, 240252), (180, 220231), (198, 200210), (220, 180189), (330, 120126), (396, 100105), (495, 80084), (660, 60063), (990, 40042), (1980, 20021)]