128821740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69259}}^1$

素因数の和:69302

約数の個数: 48

約数和(自身を含む): 372341760

約数和(自身を除く): 243520020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 69259, 138518, 207777, 277036, 346295, 415554, 692590, 831108, 1038885, 1385180, 2077770, 2147029, 4155540, 4294058, 6441087, 8588116, 10735145, 12882174, 21470290, 25764348, 32205435, 42940580, 64410870, 128821740]

約数ペア:

[(1, 128821740), (2, 64410870), (3, 42940580), (4, 32205435), (5, 25764348), (6, 21470290), (10, 12882174), (12, 10735145), (15, 8588116), (20, 6441087), (30, 4294058), (31, 4155540), (60, 2147029), (62, 2077770), (93, 1385180), (124, 1038885), (155, 831108), (186, 692590), (310, 415554), (372, 346295), (465, 277036), (620, 207777), (930, 138518), (1860, 69259)]