17857980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14173}}^1$

素因数の和:14195

約数の個数: 72

約数和(自身を含む): 61912032

約数和(自身を除く): 44054052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14173, 28346, 42519, 56692, 70865, 85038, 99211, 127557, 141730, 170076, 198422, 212595, 255114, 283460, 297633, 396844, 425190, 496055, 510228, 595266, 637785, 850380, 892899, 992110, 1190532, 1275570, 1488165, 1785798, 1984220, 2551140, 2976330, 3571596, 4464495, 5952660, 8928990, 17857980]

約数ペア:

[(1, 17857980), (2, 8928990), (3, 5952660), (4, 4464495), (5, 3571596), (6, 2976330), (7, 2551140), (9, 1984220), (10, 1785798), (12, 1488165), (14, 1275570), (15, 1190532), (18, 992110), (20, 892899), (21, 850380), (28, 637785), (30, 595266), (35, 510228), (36, 496055), (42, 425190), (45, 396844), (60, 297633), (63, 283460), (70, 255114), (84, 212595), (90, 198422), (105, 170076), (126, 141730), (140, 127557), (180, 99211), (210, 85038), (252, 70865), (315, 56692), (420, 42519), (630, 28346), (1260, 14173)]