99180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:63

約数の個数: 72

約数和(自身を含む): 327600

約数和(自身を除く): 228420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 522, 551, 570, 580, 684, 855, 870, 1044, 1102, 1140, 1305, 1653, 1710, 1740, 2204, 2610, 2755, 3306, 3420, 4959, 5220, 5510, 6612, 8265, 9918, 11020, 16530, 19836, 24795, 33060, 49590, 99180]

約数ペア:

[(1, 99180), (2, 49590), (3, 33060), (4, 24795), (5, 19836), (6, 16530), (9, 11020), (10, 9918), (12, 8265), (15, 6612), (18, 5510), (19, 5220), (20, 4959), (29, 3420), (30, 3306), (36, 2755), (38, 2610), (45, 2204), (57, 1740), (58, 1710), (60, 1653), (76, 1305), (87, 1140), (90, 1102), (95, 1044), (114, 870), (116, 855), (145, 684), (171, 580), (174, 570), (180, 551), (190, 522), (228, 435), (261, 380), (285, 348), (290, 342)]