15506890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 34401024

約数和(自身を除く): 18894134

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 83, 85, 119, 157, 166, 170, 238, 314, 415, 581, 595, 785, 830, 1099, 1162, 1190, 1411, 1570, 2198, 2669, 2822, 2905, 5338, 5495, 5810, 7055, 9877, 10990, 13031, 13345, 14110, 18683, 19754, 26062, 26690, 37366, 49385, 65155, 91217, 93415, 98770, 130310, 182434, 186830, 221527, 443054, 456085, 912170, 1107635, 1550689, 2215270, 3101378, 7753445, 15506890]

約数ペア:

[(1, 15506890), (2, 7753445), (5, 3101378), (7, 2215270), (10, 1550689), (14, 1107635), (17, 912170), (34, 456085), (35, 443054), (70, 221527), (83, 186830), (85, 182434), (119, 130310), (157, 98770), (166, 93415), (170, 91217), (238, 65155), (314, 49385), (415, 37366), (581, 26690), (595, 26062), (785, 19754), (830, 18683), (1099, 14110), (1162, 13345), (1190, 13031), (1411, 10990), (1570, 9877), (2198, 7055), (2669, 5810), (2822, 5495), (2905, 5338)]