2691540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 8604960

約数和(自身を除く): 5913420

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, 787, 855, 1140, 1574, 1710, 2361, 3148, 3420, 3935, 4722, 7083, 7870, 9444, 11805, 14166, 14953, 15740, 23610, 28332, 29906, 35415, 44859, 47220, 59812, 70830, 74765, 89718, 134577, 141660, 149530, 179436, 224295, 269154, 299060, 448590, 538308, 672885, 897180, 1345770, 2691540]

約数ペア:

[(1, 2691540), (2, 1345770), (3, 897180), (4, 672885), (5, 538308), (6, 448590), (9, 299060), (10, 269154), (12, 224295), (15, 179436), (18, 149530), (19, 141660), (20, 134577), (30, 89718), (36, 74765), (38, 70830), (45, 59812), (57, 47220), (60, 44859), (76, 35415), (90, 29906), (95, 28332), (114, 23610), (171, 15740), (180, 14953), (190, 14166), (228, 11805), (285, 9444), (342, 7870), (380, 7083), (570, 4722), (684, 3935), (787, 3420), (855, 3148), (1140, 2361), (1574, 1710)]