2426940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 7491120

約数和(自身を除く): 5064180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 139, 180, 194, 278, 291, 388, 417, 485, 556, 582, 695, 834, 873, 970, 1164, 1251, 1390, 1455, 1668, 1746, 1940, 2085, 2502, 2780, 2910, 3492, 4170, 4365, 5004, 5820, 6255, 8340, 8730, 12510, 13483, 17460, 25020, 26966, 40449, 53932, 67415, 80898, 121347, 134830, 161796, 202245, 242694, 269660, 404490, 485388, 606735, 808980, 1213470, 2426940]

約数ペア:

[(1, 2426940), (2, 1213470), (3, 808980), (4, 606735), (5, 485388), (6, 404490), (9, 269660), (10, 242694), (12, 202245), (15, 161796), (18, 134830), (20, 121347), (30, 80898), (36, 67415), (45, 53932), (60, 40449), (90, 26966), (97, 25020), (139, 17460), (180, 13483), (194, 12510), (278, 8730), (291, 8340), (388, 6255), (417, 5820), (485, 5004), (556, 4365), (582, 4170), (695, 3492), (834, 2910), (873, 2780), (970, 2502), (1164, 2085), (1251, 1940), (1390, 1746), (1455, 1668)]