26657820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{21157}}^1$

素因数の和:21179

約数の個数: 72

約数和(自身を含む): 92418144

約数和(自身を除く): 65760324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 21157, 42314, 63471, 84628, 105785, 126942, 148099, 190413, 211570, 253884, 296198, 317355, 380826, 423140, 444297, 592396, 634710, 740495, 761652, 888594, 952065, 1269420, 1332891, 1480990, 1777188, 1904130, 2221485, 2665782, 2961980, 3808260, 4442970, 5331564, 6664455, 8885940, 13328910, 26657820]

約数ペア:

[(1, 26657820), (2, 13328910), (3, 8885940), (4, 6664455), (5, 5331564), (6, 4442970), (7, 3808260), (9, 2961980), (10, 2665782), (12, 2221485), (14, 1904130), (15, 1777188), (18, 1480990), (20, 1332891), (21, 1269420), (28, 952065), (30, 888594), (35, 761652), (36, 740495), (42, 634710), (45, 592396), (60, 444297), (63, 423140), (70, 380826), (84, 317355), (90, 296198), (105, 253884), (126, 211570), (140, 190413), (180, 148099), (210, 126942), (252, 105785), (315, 84628), (420, 63471), (630, 42314), (1260, 21157)]