15705949980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37395119}}^1$

素因数の和:37395138

約数の個数: 48

約数和(自身を含む): 50259041280

約数和(自身を除く): 34553091300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 37395119, 74790238, 112185357, 149580476, 186975595, 224370714, 261765833, 373951190, 448741428, 523531666, 560926785, 747902380, 785297499, 1047063332, 1121853570, 1308829165, 1570594998, 2243707140, 2617658330, 3141189996, 3926487495, 5235316660, 7852974990, 15705949980]

約数ペア:

[(1, 15705949980), (2, 7852974990), (3, 5235316660), (4, 3926487495), (5, 3141189996), (6, 2617658330), (7, 2243707140), (10, 1570594998), (12, 1308829165), (14, 1121853570), (15, 1047063332), (20, 785297499), (21, 747902380), (28, 560926785), (30, 523531666), (35, 448741428), (42, 373951190), (60, 261765833), (70, 224370714), (84, 186975595), (105, 149580476), (140, 112185357), (210, 74790238), (420, 37395119)]