278673840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{387047}}^1$

素因数の和:387066

約数の個数: 60

約数和(自身を含む): 935882064

約数和(自身を除く): 657208224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 387047, 774094, 1161141, 1548188, 1935235, 2322282, 3096376, 3483423, 3870470, 4644564, 5805705, 6192752, 6966846, 7740940, 9289128, 11611410, 13933692, 15481880, 17417115, 18578256, 23222820, 27867384, 30963760, 34834230, 46445640, 55734768, 69668460, 92891280, 139336920, 278673840]

約数ペア:

[(1, 278673840), (2, 139336920), (3, 92891280), (4, 69668460), (5, 55734768), (6, 46445640), (8, 34834230), (9, 30963760), (10, 27867384), (12, 23222820), (15, 18578256), (16, 17417115), (18, 15481880), (20, 13933692), (24, 11611410), (30, 9289128), (36, 7740940), (40, 6966846), (45, 6192752), (48, 5805705), (60, 4644564), (72, 3870470), (80, 3483423), (90, 3096376), (120, 2322282), (144, 1935235), (180, 1548188), (240, 1161141), (360, 774094), (720, 387047)]