2665560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 8114400

約数和(自身を除く): 5448840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 229, 291, 388, 458, 485, 582, 687, 776, 916, 970, 1145, 1164, 1374, 1455, 1832, 1940, 2290, 2328, 2748, 2910, 3435, 3880, 4580, 5496, 5820, 6870, 9160, 11640, 13740, 22213, 27480, 44426, 66639, 88852, 111065, 133278, 177704, 222130, 266556, 333195, 444260, 533112, 666390, 888520, 1332780, 2665560]

約数ペア:

[(1, 2665560), (2, 1332780), (3, 888520), (4, 666390), (5, 533112), (6, 444260), (8, 333195), (10, 266556), (12, 222130), (15, 177704), (20, 133278), (24, 111065), (30, 88852), (40, 66639), (60, 44426), (97, 27480), (120, 22213), (194, 13740), (229, 11640), (291, 9160), (388, 6870), (458, 5820), (485, 5496), (582, 4580), (687, 3880), (776, 3435), (916, 2910), (970, 2748), (1145, 2328), (1164, 2290), (1374, 1940), (1455, 1832)]