181036180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2819}}^1$

素因数の和:2873

約数の個数: 72

約数和(自身を含む): 433490400

約数和(自身を除く): 252454220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 988, 1235, 1690, 2470, 2819, 3211, 3380, 4940, 5638, 6422, 11276, 12844, 14095, 16055, 28190, 32110, 36647, 53561, 56380, 64220, 73294, 107122, 146588, 183235, 214244, 267805, 366470, 476411, 535610, 696293, 732940, 952822, 1071220, 1392586, 1905644, 2382055, 2785172, 3481465, 4764110, 6962930, 9051809, 9528220, 13925860, 18103618, 36207236, 45259045, 90518090, 181036180]

約数ペア:

[(1, 181036180), (2, 90518090), (4, 45259045), (5, 36207236), (10, 18103618), (13, 13925860), (19, 9528220), (20, 9051809), (26, 6962930), (38, 4764110), (52, 3481465), (65, 2785172), (76, 2382055), (95, 1905644), (130, 1392586), (169, 1071220), (190, 952822), (247, 732940), (260, 696293), (338, 535610), (380, 476411), (494, 366470), (676, 267805), (845, 214244), (988, 183235), (1235, 146588), (1690, 107122), (2470, 73294), (2819, 64220), (3211, 56380), (3380, 53561), (4940, 36647), (5638, 32110), (6422, 28190), (11276, 16055), (12844, 14095)]