289300320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{200903}}^1$

素因数の和:200924

約数の個数: 72

約数和(自身を含む): 987242256

約数和(自身を除く): 697941936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 200903, 401806, 602709, 803612, 1004515, 1205418, 1607224, 1808127, 2009030, 2410836, 3013545, 3214448, 3616254, 4018060, 4821672, 6027090, 6428896, 7232508, 8036120, 9040635, 9643344, 12054180, 14465016, 16072240, 18081270, 19286688, 24108360, 28930032, 32144480, 36162540, 48216720, 57860064, 72325080, 96433440, 144650160, 289300320]

約数ペア:

[(1, 289300320), (2, 144650160), (3, 96433440), (4, 72325080), (5, 57860064), (6, 48216720), (8, 36162540), (9, 32144480), (10, 28930032), (12, 24108360), (15, 19286688), (16, 18081270), (18, 16072240), (20, 14465016), (24, 12054180), (30, 9643344), (32, 9040635), (36, 8036120), (40, 7232508), (45, 6428896), (48, 6027090), (60, 4821672), (72, 4018060), (80, 3616254), (90, 3214448), (96, 3013545), (120, 2410836), (144, 2009030), (160, 1808127), (180, 1607224), (240, 1205418), (288, 1004515), (360, 803612), (480, 602709), (720, 401806), (1440, 200903)]