209821320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1123}}^1$

素因数の和:1316

約数の個数: 128

約数和(自身を含む): 704073600

約数和(自身を除く): 494252280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 173, 180, 216, 270, 346, 360, 519, 540, 692, 865, 1038, 1080, 1123, 1384, 1557, 1730, 2076, 2246, 2595, 3114, 3369, 3460, 4152, 4492, 4671, 5190, 5615, 6228, 6738, 6920, 7785, 8984, 9342, 10107, 10380, 11230, 12456, 13476, 15570, 16845, 18684, 20214, 20760, 22460, 23355, 26952, 30321, 31140, 33690, 37368, 40428, 44920, 46710, 50535, 60642, 62280, 67380, 80856, 93420, 101070, 121284, 134760, 151605, 186840, 194279, 202140, 242568, 303210, 388558, 404280, 582837, 606420, 777116, 971395, 1165674, 1212840, 1554232, 1748511, 1942790, 2331348, 2914185, 3497022, 3885580, 4662696, 5245533, 5828370, 6994044, 7771160, 8742555, 10491066, 11656740, 13988088, 17485110, 20982132, 23313480, 26227665, 34970220, 41964264, 52455330, 69940440, 104910660, 209821320]

約数ペア:

[(1, 209821320), (2, 104910660), (3, 69940440), (4, 52455330), (5, 41964264), (6, 34970220), (8, 26227665), (9, 23313480), (10, 20982132), (12, 17485110), (15, 13988088), (18, 11656740), (20, 10491066), (24, 8742555), (27, 7771160), (30, 6994044), (36, 5828370), (40, 5245533), (45, 4662696), (54, 3885580), (60, 3497022), (72, 2914185), (90, 2331348), (108, 1942790), (120, 1748511), (135, 1554232), (173, 1212840), (180, 1165674), (216, 971395), (270, 777116), (346, 606420), (360, 582837), (519, 404280), (540, 388558), (692, 303210), (865, 242568), (1038, 202140), (1080, 194279), (1123, 186840), (1384, 151605), (1557, 134760), (1730, 121284), (2076, 101070), (2246, 93420), (2595, 80856), (3114, 67380), (3369, 62280), (3460, 60642), (4152, 50535), (4492, 46710), (4671, 44920), (5190, 40428), (5615, 37368), (6228, 33690), (6738, 31140), (6920, 30321), (7785, 26952), (8984, 23355), (9342, 22460), (10107, 20760), (10380, 20214), (11230, 18684), (12456, 16845), (13476, 15570)]