78460254

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 180986832

約数和(自身を除く): 102526578

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 71, 73, 87, 142, 146, 174, 213, 219, 261, 426, 438, 522, 639, 657, 841, 1278, 1314, 1682, 2059, 2117, 2523, 4118, 4234, 5046, 5183, 6177, 6351, 7569, 10366, 12354, 12702, 15138, 15549, 18531, 19053, 31098, 37062, 38106, 46647, 59711, 61393, 93294, 119422, 122786, 150307, 179133, 184179, 300614, 358266, 368358, 450921, 537399, 552537, 901842, 1074798, 1105074, 1352763, 2705526, 4358903, 8717806, 13076709, 26153418, 39230127, 78460254]

約数ペア:

[(1, 78460254), (2, 39230127), (3, 26153418), (6, 13076709), (9, 8717806), (18, 4358903), (29, 2705526), (58, 1352763), (71, 1105074), (73, 1074798), (87, 901842), (142, 552537), (146, 537399), (174, 450921), (213, 368358), (219, 358266), (261, 300614), (426, 184179), (438, 179133), (522, 150307), (639, 122786), (657, 119422), (841, 93294), (1278, 61393), (1314, 59711), (1682, 46647), (2059, 38106), (2117, 37062), (2523, 31098), (4118, 19053), (4234, 18531), (5046, 15549), (5183, 15138), (6177, 12702), (6351, 12354), (7569, 10366)]