28953990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 85034880

約数和(自身を除く): 56080890

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 73, 78, 90, 113, 117, 130, 135, 146, 195, 219, 226, 234, 270, 339, 351, 365, 390, 438, 565, 585, 657, 678, 702, 730, 949, 1017, 1095, 1130, 1170, 1314, 1469, 1695, 1755, 1898, 1971, 2034, 2190, 2847, 2938, 3051, 3285, 3390, 3510, 3942, 4407, 4745, 5085, 5694, 6102, 6570, 7345, 8249, 8541, 8814, 9490, 9855, 10170, 13221, 14235, 14690, 15255, 16498, 17082, 19710, 22035, 24747, 25623, 26442, 28470, 30510, 39663, 41245, 42705, 44070, 49494, 51246, 66105, 74241, 79326, 82490, 85410, 107237, 123735, 128115, 132210, 148482, 198315, 214474, 222723, 247470, 256230, 321711, 371205, 396630, 445446, 536185, 643422, 742410, 965133, 1072370, 1113615, 1608555, 1930266, 2227230, 2895399, 3217110, 4825665, 5790798, 9651330, 14476995, 28953990]

約数ペア:

[(1, 28953990), (2, 14476995), (3, 9651330), (5, 5790798), (6, 4825665), (9, 3217110), (10, 2895399), (13, 2227230), (15, 1930266), (18, 1608555), (26, 1113615), (27, 1072370), (30, 965133), (39, 742410), (45, 643422), (54, 536185), (65, 445446), (73, 396630), (78, 371205), (90, 321711), (113, 256230), (117, 247470), (130, 222723), (135, 214474), (146, 198315), (195, 148482), (219, 132210), (226, 128115), (234, 123735), (270, 107237), (339, 85410), (351, 82490), (365, 79326), (390, 74241), (438, 66105), (565, 51246), (585, 49494), (657, 44070), (678, 42705), (702, 41245), (730, 39663), (949, 30510), (1017, 28470), (1095, 26442), (1130, 25623), (1170, 24747), (1314, 22035), (1469, 19710), (1695, 17082), (1755, 16498), (1898, 15255), (1971, 14690), (2034, 14235), (2190, 13221), (2847, 10170), (2938, 9855), (3051, 9490), (3285, 8814), (3390, 8541), (3510, 8249), (3942, 7345), (4407, 6570), (4745, 6102), (5085, 5694)]