72890100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{80989}}^1$

素因数の和:81009

約数の個数: 54

約数和(自身を含む): 228472790

約数和(自身を除く): 155582690

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 80989, 161978, 242967, 323956, 404945, 485934, 728901, 809890, 971868, 1214835, 1457802, 1619780, 2024725, 2429670, 2915604, 3644505, 4049450, 4859340, 6074175, 7289010, 8098900, 12148350, 14578020, 18222525, 24296700, 36445050, 72890100]

約数ペア:

[(1, 72890100), (2, 36445050), (3, 24296700), (4, 18222525), (5, 14578020), (6, 12148350), (9, 8098900), (10, 7289010), (12, 6074175), (15, 4859340), (18, 4049450), (20, 3644505), (25, 2915604), (30, 2429670), (36, 2024725), (45, 1619780), (50, 1457802), (60, 1214835), (75, 971868), (90, 809890), (100, 728901), (150, 485934), (180, 404945), (225, 323956), (300, 242967), (450, 161978), (900, 80989)]