2601540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 8026200

約数和(自身を除く): 5424660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 149, 180, 194, 291, 298, 388, 447, 485, 582, 596, 745, 873, 894, 970, 1164, 1341, 1455, 1490, 1746, 1788, 1940, 2235, 2682, 2910, 2980, 3492, 4365, 4470, 5364, 5820, 6705, 8730, 8940, 13410, 14453, 17460, 26820, 28906, 43359, 57812, 72265, 86718, 130077, 144530, 173436, 216795, 260154, 289060, 433590, 520308, 650385, 867180, 1300770, 2601540]

約数ペア:

[(1, 2601540), (2, 1300770), (3, 867180), (4, 650385), (5, 520308), (6, 433590), (9, 289060), (10, 260154), (12, 216795), (15, 173436), (18, 144530), (20, 130077), (30, 86718), (36, 72265), (45, 57812), (60, 43359), (90, 28906), (97, 26820), (149, 17460), (180, 14453), (194, 13410), (291, 8940), (298, 8730), (388, 6705), (447, 5820), (485, 5364), (582, 4470), (596, 4365), (745, 3492), (873, 2980), (894, 2910), (970, 2682), (1164, 2235), (1341, 1940), (1455, 1788), (1490, 1746)]