15729700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 40747392

約数和(自身を除く): 25017692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 977, 1150, 1610, 1954, 2300, 3220, 3908, 4025, 4885, 6839, 8050, 9770, 13678, 16100, 19540, 22471, 24425, 27356, 34195, 44942, 48850, 68390, 89884, 97700, 112355, 136780, 157297, 170975, 224710, 314594, 341950, 449420, 561775, 629188, 683900, 786485, 1123550, 1572970, 2247100, 3145940, 3932425, 7864850, 15729700]

約数ペア:

[(1, 15729700), (2, 7864850), (4, 3932425), (5, 3145940), (7, 2247100), (10, 1572970), (14, 1123550), (20, 786485), (23, 683900), (25, 629188), (28, 561775), (35, 449420), (46, 341950), (50, 314594), (70, 224710), (92, 170975), (100, 157297), (115, 136780), (140, 112355), (161, 97700), (175, 89884), (230, 68390), (322, 48850), (350, 44942), (460, 34195), (575, 27356), (644, 24425), (700, 22471), (805, 19540), (977, 16100), (1150, 13678), (1610, 9770), (1954, 8050), (2300, 6839), (3220, 4885), (3908, 4025)]