1520563989

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 2467584000

約数和(自身を除く): 947020011

約数列:

[1, 3, 7, 21, 29, 59, 87, 101, 177, 203, 303, 413, 419, 609, 707, 1239, 1257, 1711, 2121, 2929, 2933, 5133, 5959, 8787, 8799, 11977, 12151, 17877, 20503, 24721, 35931, 36453, 41713, 42319, 61509, 74163, 85057, 125139, 126957, 172811, 173047, 255171, 296233, 518433, 519141, 716909, 888699, 1209677, 1227251, 2150727, 2496821, 3629031, 3681753, 5018363, 7490463, 8590757, 15055089, 17477747, 25772271, 52433241, 72407809, 217223427, 506854663, 1520563989]

約数ペア:

[(1, 1520563989), (3, 506854663), (7, 217223427), (21, 72407809), (29, 52433241), (59, 25772271), (87, 17477747), (101, 15055089), (177, 8590757), (203, 7490463), (303, 5018363), (413, 3681753), (419, 3629031), (609, 2496821), (707, 2150727), (1239, 1227251), (1257, 1209677), (1711, 888699), (2121, 716909), (2929, 519141), (2933, 518433), (5133, 296233), (5959, 255171), (8787, 173047), (8799, 172811), (11977, 126957), (12151, 125139), (17877, 85057), (20503, 74163), (24721, 61509), (35931, 42319), (36453, 41713)]