81520200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{45289}}^1$

素因数の和:45311

約数の個数: 72

約数和(自身を含む): 273778050

約数和(自身を除く): 192257850

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 45289, 90578, 135867, 181156, 226445, 271734, 362312, 407601, 452890, 543468, 679335, 815202, 905780, 1086936, 1132225, 1358670, 1630404, 1811560, 2038005, 2264450, 2717340, 3260808, 3396675, 4076010, 4528900, 5434680, 6793350, 8152020, 9057800, 10190025, 13586700, 16304040, 20380050, 27173400, 40760100, 81520200]

約数ペア:

[(1, 81520200), (2, 40760100), (3, 27173400), (4, 20380050), (5, 16304040), (6, 13586700), (8, 10190025), (9, 9057800), (10, 8152020), (12, 6793350), (15, 5434680), (18, 4528900), (20, 4076010), (24, 3396675), (25, 3260808), (30, 2717340), (36, 2264450), (40, 2038005), (45, 1811560), (50, 1630404), (60, 1358670), (72, 1132225), (75, 1086936), (90, 905780), (100, 815202), (120, 679335), (150, 543468), (180, 452890), (200, 407601), (225, 362312), (300, 271734), (360, 226445), (450, 181156), (600, 135867), (900, 90578), (1800, 45289)]