278457120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{193373}}^1$

素因数の和:193394

約数の個数: 72

約数和(自身を含む): 950239836

約数和(自身を除く): 671782716

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, 193373, 386746, 580119, 773492, 966865, 1160238, 1546984, 1740357, 1933730, 2320476, 2900595, 3093968, 3480714, 3867460, 4640952, 5801190, 6187936, 6961428, 7734920, 8701785, 9281904, 11602380, 13922856, 15469840, 17403570, 18563808, 23204760, 27845712, 30939680, 34807140, 46409520, 55691424, 69614280, 92819040, 139228560, 278457120]

約数ペア:

[(1, 278457120), (2, 139228560), (3, 92819040), (4, 69614280), (5, 55691424), (6, 46409520), (8, 34807140), (9, 30939680), (10, 27845712), (12, 23204760), (15, 18563808), (16, 17403570), (18, 15469840), (20, 13922856), (24, 11602380), (30, 9281904), (32, 8701785), (36, 7734920), (40, 6961428), (45, 6187936), (48, 5801190), (60, 4640952), (72, 3867460), (80, 3480714), (90, 3093968), (96, 2900595), (120, 2320476), (144, 1933730), (160, 1740357), (180, 1546984), (240, 1160238), (288, 966865), (360, 773492), (480, 580119), (720, 386746), (1440, 193373)]