21775680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7561}}^1$

素因数の和:7584

約数の個数: 84

約数和(自身を含む): 74909172

約数和(自身を除く): 53133492

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7561, 15122, 22683, 30244, 37805, 45366, 60488, 68049, 75610, 90732, 113415, 120976, 136098, 151220, 181464, 226830, 241952, 272196, 302440, 340245, 362928, 453660, 483904, 544392, 604880, 680490, 725856, 907320, 1088784, 1209760, 1360980, 1451712, 1814640, 2177568, 2419520, 2721960, 3629280, 4355136, 5443920, 7258560, 10887840, 21775680]

約数ペア:

[(1, 21775680), (2, 10887840), (3, 7258560), (4, 5443920), (5, 4355136), (6, 3629280), (8, 2721960), (9, 2419520), (10, 2177568), (12, 1814640), (15, 1451712), (16, 1360980), (18, 1209760), (20, 1088784), (24, 907320), (30, 725856), (32, 680490), (36, 604880), (40, 544392), (45, 483904), (48, 453660), (60, 362928), (64, 340245), (72, 302440), (80, 272196), (90, 241952), (96, 226830), (120, 181464), (144, 151220), (160, 136098), (180, 120976), (192, 113415), (240, 90732), (288, 75610), (320, 68049), (360, 60488), (480, 45366), (576, 37805), (720, 30244), (960, 22683), (1440, 15122), (2880, 7561)]