66903900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31859}}^1$

素因数の和:31883

約数の個数: 72

約数和(自身を含む): 221235840

約数和(自身を除く): 154331940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 31859, 63718, 95577, 127436, 159295, 191154, 223013, 318590, 382308, 446026, 477885, 637180, 669039, 796475, 892052, 955770, 1115065, 1338078, 1592950, 1911540, 2230130, 2389425, 2676156, 3185900, 3345195, 4460260, 4778850, 5575325, 6690390, 9557700, 11150650, 13380780, 16725975, 22301300, 33451950, 66903900]

約数ペア:

[(1, 66903900), (2, 33451950), (3, 22301300), (4, 16725975), (5, 13380780), (6, 11150650), (7, 9557700), (10, 6690390), (12, 5575325), (14, 4778850), (15, 4460260), (20, 3345195), (21, 3185900), (25, 2676156), (28, 2389425), (30, 2230130), (35, 1911540), (42, 1592950), (50, 1338078), (60, 1115065), (70, 955770), (75, 892052), (84, 796475), (100, 669039), (105, 637180), (140, 477885), (150, 446026), (175, 382308), (210, 318590), (300, 223013), (350, 191154), (420, 159295), (525, 127436), (700, 95577), (1050, 63718), (2100, 31859)]