21622800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:545

約数の個数: 120

約数和(自身を含む): 71283136

約数和(自身を除く): 49660336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 37, 40, 48, 50, 60, 74, 75, 80, 100, 111, 120, 148, 150, 185, 200, 222, 240, 296, 300, 370, 400, 444, 487, 555, 592, 600, 740, 888, 925, 974, 1110, 1200, 1461, 1480, 1776, 1850, 1948, 2220, 2435, 2775, 2922, 2960, 3700, 3896, 4440, 4870, 5550, 5844, 7305, 7400, 7792, 8880, 9740, 11100, 11688, 12175, 14610, 14800, 18019, 19480, 22200, 23376, 24350, 29220, 36038, 36525, 38960, 44400, 48700, 54057, 58440, 72076, 73050, 90095, 97400, 108114, 116880, 144152, 146100, 180190, 194800, 216228, 270285, 288304, 292200, 360380, 432456, 450475, 540570, 584400, 720760, 864912, 900950, 1081140, 1351425, 1441520, 1801900, 2162280, 2702850, 3603800, 4324560, 5405700, 7207600, 10811400, 21622800]

約数ペア:

[(1, 21622800), (2, 10811400), (3, 7207600), (4, 5405700), (5, 4324560), (6, 3603800), (8, 2702850), (10, 2162280), (12, 1801900), (15, 1441520), (16, 1351425), (20, 1081140), (24, 900950), (25, 864912), (30, 720760), (37, 584400), (40, 540570), (48, 450475), (50, 432456), (60, 360380), (74, 292200), (75, 288304), (80, 270285), (100, 216228), (111, 194800), (120, 180190), (148, 146100), (150, 144152), (185, 116880), (200, 108114), (222, 97400), (240, 90095), (296, 73050), (300, 72076), (370, 58440), (400, 54057), (444, 48700), (487, 44400), (555, 38960), (592, 36525), (600, 36038), (740, 29220), (888, 24350), (925, 23376), (974, 22200), (1110, 19480), (1200, 18019), (1461, 14800), (1480, 14610), (1776, 12175), (1850, 11688), (1948, 11100), (2220, 9740), (2435, 8880), (2775, 7792), (2922, 7400), (2960, 7305), (3700, 5844), (3896, 5550), (4440, 4870)]