2754090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 7278336

約数和(自身を除く): 4524246

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 431, 639, 710, 862, 1065, 1278, 1293, 2130, 2155, 2586, 3195, 3879, 4310, 6390, 6465, 7758, 12930, 19395, 30601, 38790, 61202, 91803, 153005, 183606, 275409, 306010, 459015, 550818, 918030, 1377045, 2754090]

約数ペア:

[(1, 2754090), (2, 1377045), (3, 918030), (5, 550818), (6, 459015), (9, 306010), (10, 275409), (15, 183606), (18, 153005), (30, 91803), (45, 61202), (71, 38790), (90, 30601), (142, 19395), (213, 12930), (355, 7758), (426, 6465), (431, 6390), (639, 4310), (710, 3879), (862, 3195), (1065, 2586), (1278, 2155), (1293, 2130)]