15012020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 33929280

約数和(自身を除く): 18917260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 659, 670, 1139, 1318, 1340, 2278, 2636, 3295, 4556, 5695, 6590, 11203, 11390, 13180, 22406, 22780, 44153, 44812, 56015, 88306, 112030, 176612, 220765, 224060, 441530, 750601, 883060, 1501202, 3002404, 3753005, 7506010, 15012020]

約数ペア:

[(1, 15012020), (2, 7506010), (4, 3753005), (5, 3002404), (10, 1501202), (17, 883060), (20, 750601), (34, 441530), (67, 224060), (68, 220765), (85, 176612), (134, 112030), (170, 88306), (268, 56015), (335, 44812), (340, 44153), (659, 22780), (670, 22406), (1139, 13180), (1318, 11390), (1340, 11203), (2278, 6590), (2636, 5695), (3295, 4556)]