15661637720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{125053}}^1$

素因数の和:125196

約数の個数: 64

約数和(自身を含む): 36735863040

約数和(自身を除く): 21074225320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 404, 505, 620, 808, 1010, 1240, 2020, 3131, 4040, 6262, 12524, 15655, 25048, 31310, 62620, 125053, 125240, 250106, 500212, 625265, 1000424, 1250530, 2501060, 3876643, 5002120, 7753286, 12630353, 15506572, 19383215, 25260706, 31013144, 38766430, 50521412, 63151765, 77532860, 101042824, 126303530, 155065720, 252607060, 391540943, 505214120, 783081886, 1566163772, 1957704715, 3132327544, 3915409430, 7830818860, 15661637720]

約数ペア:

[(1, 15661637720), (2, 7830818860), (4, 3915409430), (5, 3132327544), (8, 1957704715), (10, 1566163772), (20, 783081886), (31, 505214120), (40, 391540943), (62, 252607060), (101, 155065720), (124, 126303530), (155, 101042824), (202, 77532860), (248, 63151765), (310, 50521412), (404, 38766430), (505, 31013144), (620, 25260706), (808, 19383215), (1010, 15506572), (1240, 12630353), (2020, 7753286), (3131, 5002120), (4040, 3876643), (6262, 2501060), (12524, 1250530), (15655, 1000424), (25048, 625265), (31310, 500212), (62620, 250106), (125053, 125240)]