15890724

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 42981120

約数和(自身を除く): 27090396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 31, 36, 58, 62, 87, 93, 116, 124, 174, 186, 261, 279, 348, 372, 491, 522, 558, 899, 982, 1044, 1116, 1473, 1798, 1964, 2697, 2946, 3596, 4419, 5394, 5892, 8091, 8838, 10788, 14239, 15221, 16182, 17676, 28478, 30442, 32364, 42717, 45663, 56956, 60884, 85434, 91326, 128151, 136989, 170868, 182652, 256302, 273978, 441409, 512604, 547956, 882818, 1324227, 1765636, 2648454, 3972681, 5296908, 7945362, 15890724]

約数ペア:

[(1, 15890724), (2, 7945362), (3, 5296908), (4, 3972681), (6, 2648454), (9, 1765636), (12, 1324227), (18, 882818), (29, 547956), (31, 512604), (36, 441409), (58, 273978), (62, 256302), (87, 182652), (93, 170868), (116, 136989), (124, 128151), (174, 91326), (186, 85434), (261, 60884), (279, 56956), (348, 45663), (372, 42717), (491, 32364), (522, 30442), (558, 28478), (899, 17676), (982, 16182), (1044, 15221), (1116, 14239), (1473, 10788), (1798, 8838), (1964, 8091), (2697, 5892), (2946, 5394), (3596, 4419)]