28783800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{15991}}^1$

素因数の和:16013

約数の個数: 72

約数和(自身を含む): 96671640

約数和(自身を除く): 67887840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 15991, 31982, 47973, 63964, 79955, 95946, 127928, 143919, 159910, 191892, 239865, 287838, 319820, 383784, 399775, 479730, 575676, 639640, 719595, 799550, 959460, 1151352, 1199325, 1439190, 1599100, 1918920, 2398650, 2878380, 3198200, 3597975, 4797300, 5756760, 7195950, 9594600, 14391900, 28783800]

約数ペア:

[(1, 28783800), (2, 14391900), (3, 9594600), (4, 7195950), (5, 5756760), (6, 4797300), (8, 3597975), (9, 3198200), (10, 2878380), (12, 2398650), (15, 1918920), (18, 1599100), (20, 1439190), (24, 1199325), (25, 1151352), (30, 959460), (36, 799550), (40, 719595), (45, 639640), (50, 575676), (60, 479730), (72, 399775), (75, 383784), (90, 319820), (100, 287838), (120, 239865), (150, 191892), (180, 159910), (200, 143919), (225, 127928), (300, 95946), (360, 79955), (450, 63964), (600, 47973), (900, 31982), (1800, 15991)]