15382020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 46126080

約数和(自身を除く): 30744060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 103, 114, 131, 190, 206, 228, 262, 285, 309, 380, 393, 412, 515, 524, 570, 618, 655, 786, 1030, 1140, 1236, 1310, 1545, 1572, 1957, 1965, 2060, 2489, 2620, 3090, 3914, 3930, 4978, 5871, 6180, 7467, 7828, 7860, 9785, 9956, 11742, 12445, 13493, 14934, 19570, 23484, 24890, 26986, 29355, 29868, 37335, 39140, 40479, 49780, 53972, 58710, 67465, 74670, 80958, 117420, 134930, 149340, 161916, 202395, 256367, 269860, 404790, 512734, 769101, 809580, 1025468, 1281835, 1538202, 2563670, 3076404, 3845505, 5127340, 7691010, 15382020]

約数ペア:

[(1, 15382020), (2, 7691010), (3, 5127340), (4, 3845505), (5, 3076404), (6, 2563670), (10, 1538202), (12, 1281835), (15, 1025468), (19, 809580), (20, 769101), (30, 512734), (38, 404790), (57, 269860), (60, 256367), (76, 202395), (95, 161916), (103, 149340), (114, 134930), (131, 117420), (190, 80958), (206, 74670), (228, 67465), (262, 58710), (285, 53972), (309, 49780), (380, 40479), (393, 39140), (412, 37335), (515, 29868), (524, 29355), (570, 26986), (618, 24890), (655, 23484), (786, 19570), (1030, 14934), (1140, 13493), (1236, 12445), (1310, 11742), (1545, 9956), (1572, 9785), (1957, 7860), (1965, 7828), (2060, 7467), (2489, 6180), (2620, 5871), (3090, 4978), (3914, 3930)]