28341540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8287}}^1$

素因数の和:8321

約数の個数: 72

約数和(自身を含む): 90504960

約数和(自身を除く): 62163420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 8287, 16574, 24861, 33148, 41435, 49722, 74583, 82870, 99444, 124305, 149166, 157453, 165740, 248610, 298332, 314906, 372915, 472359, 497220, 629812, 745830, 787265, 944718, 1417077, 1491660, 1574530, 1889436, 2361795, 2834154, 3149060, 4723590, 5668308, 7085385, 9447180, 14170770, 28341540]

約数ペア:

[(1, 28341540), (2, 14170770), (3, 9447180), (4, 7085385), (5, 5668308), (6, 4723590), (9, 3149060), (10, 2834154), (12, 2361795), (15, 1889436), (18, 1574530), (19, 1491660), (20, 1417077), (30, 944718), (36, 787265), (38, 745830), (45, 629812), (57, 497220), (60, 472359), (76, 372915), (90, 314906), (95, 298332), (114, 248610), (171, 165740), (180, 157453), (190, 149166), (228, 124305), (285, 99444), (342, 82870), (380, 74583), (570, 49722), (684, 41435), (855, 33148), (1140, 24861), (1710, 16574), (3420, 8287)]