13011320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 34560000

約数和(自身を除く): 21548680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1499, 1736, 2170, 2998, 4340, 5996, 7495, 8680, 10493, 11992, 14990, 20986, 29980, 41972, 46469, 52465, 59960, 83944, 92938, 104930, 185876, 209860, 232345, 325283, 371752, 419720, 464690, 650566, 929380, 1301132, 1626415, 1858760, 2602264, 3252830, 6505660, 13011320]

約数ペア:

[(1, 13011320), (2, 6505660), (4, 3252830), (5, 2602264), (7, 1858760), (8, 1626415), (10, 1301132), (14, 929380), (20, 650566), (28, 464690), (31, 419720), (35, 371752), (40, 325283), (56, 232345), (62, 209860), (70, 185876), (124, 104930), (140, 92938), (155, 83944), (217, 59960), (248, 52465), (280, 46469), (310, 41972), (434, 29980), (620, 20986), (868, 14990), (1085, 11992), (1240, 10493), (1499, 8680), (1736, 7495), (2170, 5996), (2998, 4340)]