261998280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{242591}}^1$

素因数の和:242611

約数の個数: 64

約数和(自身を含む): 873331200

約数和(自身を除く): 611332920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 242591, 485182, 727773, 970364, 1212955, 1455546, 1940728, 2183319, 2425910, 2911092, 3638865, 4366638, 4851820, 5822184, 6549957, 7277730, 8733276, 9703640, 10916595, 13099914, 14555460, 17466552, 21833190, 26199828, 29110920, 32749785, 43666380, 52399656, 65499570, 87332760, 130999140, 261998280]

約数ペア:

[(1, 261998280), (2, 130999140), (3, 87332760), (4, 65499570), (5, 52399656), (6, 43666380), (8, 32749785), (9, 29110920), (10, 26199828), (12, 21833190), (15, 17466552), (18, 14555460), (20, 13099914), (24, 10916595), (27, 9703640), (30, 8733276), (36, 7277730), (40, 6549957), (45, 5822184), (54, 4851820), (60, 4366638), (72, 3638865), (90, 2911092), (108, 2425910), (120, 2183319), (135, 1940728), (180, 1455546), (216, 1212955), (270, 970364), (360, 727773), (540, 485182), (1080, 242591)]