25997940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1489}}^1$

素因数の和:1601

約数の個数: 72

約数和(自身を含む): 79726920

約数和(自身を除く): 53728980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1489, 1746, 1940, 2910, 2978, 3492, 4365, 4467, 5820, 5956, 7445, 8730, 8934, 13401, 14890, 17460, 17868, 22335, 26802, 29780, 44670, 53604, 67005, 89340, 134010, 144433, 268020, 288866, 433299, 577732, 722165, 866598, 1299897, 1444330, 1733196, 2166495, 2599794, 2888660, 4332990, 5199588, 6499485, 8665980, 12998970, 25997940]

約数ペア:

[(1, 25997940), (2, 12998970), (3, 8665980), (4, 6499485), (5, 5199588), (6, 4332990), (9, 2888660), (10, 2599794), (12, 2166495), (15, 1733196), (18, 1444330), (20, 1299897), (30, 866598), (36, 722165), (45, 577732), (60, 433299), (90, 288866), (97, 268020), (180, 144433), (194, 134010), (291, 89340), (388, 67005), (485, 53604), (582, 44670), (873, 29780), (970, 26802), (1164, 22335), (1455, 17868), (1489, 17460), (1746, 14890), (1940, 13401), (2910, 8934), (2978, 8730), (3492, 7445), (4365, 5956), (4467, 5820)]