31238610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 81381888

約数和(自身を除く): 50143278

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 173, 195, 346, 390, 463, 519, 865, 926, 1038, 1389, 1730, 2249, 2315, 2595, 2778, 4498, 4630, 5190, 6019, 6747, 6945, 11245, 12038, 13494, 13890, 18057, 22490, 30095, 33735, 36114, 60190, 67470, 80099, 90285, 160198, 180570, 240297, 400495, 480594, 800990, 1041287, 1201485, 2082574, 2402970, 3123861, 5206435, 6247722, 10412870, 15619305, 31238610]

約数ペア:

[(1, 31238610), (2, 15619305), (3, 10412870), (5, 6247722), (6, 5206435), (10, 3123861), (13, 2402970), (15, 2082574), (26, 1201485), (30, 1041287), (39, 800990), (65, 480594), (78, 400495), (130, 240297), (173, 180570), (195, 160198), (346, 90285), (390, 80099), (463, 67470), (519, 60190), (865, 36114), (926, 33735), (1038, 30095), (1389, 22490), (1730, 18057), (2249, 13890), (2315, 13494), (2595, 12038), (2778, 11245), (4498, 6945), (4630, 6747), (5190, 6019)]