261740688

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15991}}^1$

素因数の和:16044

約数の個数: 80

約数和(自身を含む): 761475072

約数和(自身を除く): 499734384

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1364, 1488, 2046, 2728, 4092, 5456, 8184, 15991, 16368, 31982, 47973, 63964, 95946, 127928, 175901, 191892, 255856, 351802, 383784, 495721, 527703, 703604, 767568, 991442, 1055406, 1407208, 1487163, 1982884, 2110812, 2814416, 2974326, 3965768, 4221624, 5452931, 5948652, 7931536, 8443248, 10905862, 11897304, 16358793, 21811724, 23794608, 32717586, 43623448, 65435172, 87246896, 130870344, 261740688]

約数ペア:

[(1, 261740688), (2, 130870344), (3, 87246896), (4, 65435172), (6, 43623448), (8, 32717586), (11, 23794608), (12, 21811724), (16, 16358793), (22, 11897304), (24, 10905862), (31, 8443248), (33, 7931536), (44, 5948652), (48, 5452931), (62, 4221624), (66, 3965768), (88, 2974326), (93, 2814416), (124, 2110812), (132, 1982884), (176, 1487163), (186, 1407208), (248, 1055406), (264, 991442), (341, 767568), (372, 703604), (496, 527703), (528, 495721), (682, 383784), (744, 351802), (1023, 255856), (1364, 191892), (1488, 175901), (2046, 127928), (2728, 95946), (4092, 63964), (5456, 47973), (8184, 31982), (15991, 16368)]