28977120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{20123}}^1$

素因数の和:20144

約数の個数: 72

約数和(自身を含む): 98889336

約数和(自身を除く): 69912216

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, 20123, 40246, 60369, 80492, 100615, 120738, 160984, 181107, 201230, 241476, 301845, 321968, 362214, 402460, 482952, 603690, 643936, 724428, 804920, 905535, 965904, 1207380, 1448856, 1609840, 1811070, 1931808, 2414760, 2897712, 3219680, 3622140, 4829520, 5795424, 7244280, 9659040, 14488560, 28977120]

約数ペア:

[(1, 28977120), (2, 14488560), (3, 9659040), (4, 7244280), (5, 5795424), (6, 4829520), (8, 3622140), (9, 3219680), (10, 2897712), (12, 2414760), (15, 1931808), (16, 1811070), (18, 1609840), (20, 1448856), (24, 1207380), (30, 965904), (32, 905535), (36, 804920), (40, 724428), (45, 643936), (48, 603690), (60, 482952), (72, 402460), (80, 362214), (90, 321968), (96, 301845), (120, 241476), (144, 201230), (160, 181107), (180, 160984), (240, 120738), (288, 100615), (360, 80492), (480, 60369), (720, 40246), (1440, 20123)]